Home / 15,551.43-21,444.03-10,506.90

Finding the Fourth Proportional to 15,551.43, 21,444.03 and 10,506.90

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Solution

The fourth proportional to 15,551.43, 21,444.03 and 10,506.90 is: 14,488.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551.43 : 21,444.03 = 10,506.90 : x
  2. Step 2: Convert to fraction form
    15,551.43/21,444.03 = 10,506.90/x
  3. Step 3: Cross multiply
    15,551.43x = 21,444.03 × 10,506.90
  4. Step 4: Simplify right side
    15,551.43x = 225,310,314.29
  5. Step 5: Solve for x
    x = 225,310,314.29/15,551.43
  6. Step 6: Final answer
    x = 14,488.08

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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.