Home / 15,592.93-21,510.75-11,337.40

Finding the Fourth Proportional to 15,592.93, 21,510.75 and 11,337.40

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Solution

The fourth proportional to 15,592.93, 21,510.75 and 11,337.40 is: 15,640.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,592.93 : 21,510.75 = 11,337.40 : x
  2. Step 2: Convert to fraction form
    15,592.93/21,510.75 = 11,337.40/x
  3. Step 3: Cross multiply
    15,592.93x = 21,510.75 × 11,337.40
  4. Step 4: Simplify right side
    15,592.93x = 243,875,977.05
  5. Step 5: Solve for x
    x = 243,875,977.05/15,592.93
  6. Step 6: Final answer
    x = 15,640.16

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.