Home / 10,020.97-15,045.36-6,312.25

Finding the Fourth Proportional to 10,020.97, 15,045.36 and 6,312.25

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Solution

The fourth proportional to 10,020.97, 15,045.36 and 6,312.25 is: 9,477.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.97 : 15,045.36 = 6,312.25 : x
  2. Step 2: Convert to fraction form
    10,020.97/15,045.36 = 6,312.25/x
  3. Step 3: Cross multiply
    10,020.97x = 15,045.36 × 6,312.25
  4. Step 4: Simplify right side
    10,020.97x = 94,970,073.66
  5. Step 5: Solve for x
    x = 94,970,073.66/10,020.97
  6. Step 6: Final answer
    x = 9,477.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.