Home / 10,407.61-15,569.96-9,037.09

Finding the Fourth Proportional to 10,407.61, 15,569.96 and 9,037.09

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Solution

The fourth proportional to 10,407.61, 15,569.96 and 9,037.09 is: 13,519.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.61 : 15,569.96 = 9,037.09 : x
  2. Step 2: Convert to fraction form
    10,407.61/15,569.96 = 9,037.09/x
  3. Step 3: Cross multiply
    10,407.61x = 15,569.96 × 9,037.09
  4. Step 4: Simplify right side
    10,407.61x = 140,707,129.82
  5. Step 5: Solve for x
    x = 140,707,129.82/10,407.61
  6. Step 6: Final answer
    x = 13,519.64

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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.