Home / 10,569.60-14,577.84-7,215.12

Finding the Fourth Proportional to 10,569.60, 14,577.84 and 7,215.12

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Solution

The fourth proportional to 10,569.60, 14,577.84 and 7,215.12 is: 9,951.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,569.60 : 14,577.84 = 7,215.12 : x
  2. Step 2: Convert to fraction form
    10,569.60/14,577.84 = 7,215.12/x
  3. Step 3: Cross multiply
    10,569.60x = 14,577.84 × 7,215.12
  4. Step 4: Simplify right side
    10,569.60x = 105,180,864.94
  5. Step 5: Solve for x
    x = 105,180,864.94/10,569.60
  6. Step 6: Final answer
    x = 9,951.26

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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.