Home / 10,438.24-14,403.60-6,461.92

Finding the Fourth Proportional to 10,438.24, 14,403.60 and 6,461.92

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Solution

The fourth proportional to 10,438.24, 14,403.60 and 6,461.92 is: 8,916.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438.24 : 14,403.60 = 6,461.92 : x
  2. Step 2: Convert to fraction form
    10,438.24/14,403.60 = 6,461.92/x
  3. Step 3: Cross multiply
    10,438.24x = 14,403.60 × 6,461.92
  4. Step 4: Simplify right side
    10,438.24x = 93,074,910.91
  5. Step 5: Solve for x
    x = 93,074,910.91/10,438.24
  6. Step 6: Final answer
    x = 8,916.72

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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.