Home / 15,264.33-21,065.18-8,549.93

Finding the Fourth Proportional to 15,264.33, 21,065.18 and 8,549.93

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Solution

The fourth proportional to 15,264.33, 21,065.18 and 8,549.93 is: 11,799.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,264.33 : 21,065.18 = 8,549.93 : x
  2. Step 2: Convert to fraction form
    15,264.33/21,065.18 = 8,549.93/x
  3. Step 3: Cross multiply
    15,264.33x = 21,065.18 × 8,549.93
  4. Step 4: Simplify right side
    15,264.33x = 180,105,666.36
  5. Step 5: Solve for x
    x = 180,105,666.36/15,264.33
  6. Step 6: Final answer
    x = 11,799.12

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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.