Home / 15,265.67-21,066.85-8,892.10

Finding the Fourth Proportional to 15,265.67, 21,066.85 and 8,892.10

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Solution

The fourth proportional to 15,265.67, 21,066.85 and 8,892.10 is: 12,271.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,265.67 : 21,066.85 = 8,892.10 : x
  2. Step 2: Convert to fraction form
    15,265.67/21,066.85 = 8,892.10/x
  3. Step 3: Cross multiply
    15,265.67x = 21,066.85 × 8,892.10
  4. Step 4: Simplify right side
    15,265.67x = 187,328,549.32
  5. Step 5: Solve for x
    x = 187,328,549.32/15,265.67
  6. Step 6: Final answer
    x = 12,271.23

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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.