Home / 10,434.24-14,398.08-6,457.92

Finding the Fourth Proportional to 10,434.24, 14,398.08 and 6,457.92

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Solution

The fourth proportional to 10,434.24, 14,398.08 and 6,457.92 is: 8,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.24 : 14,398.08 = 6,457.92 : x
  2. Step 2: Convert to fraction form
    10,434.24/14,398.08 = 6,457.92/x
  3. Step 3: Cross multiply
    10,434.24x = 14,398.08 × 6,457.92
  4. Step 4: Simplify right side
    10,434.24x = 92,981,648.79
  5. Step 5: Solve for x
    x = 92,981,648.79/10,434.24
  6. Step 6: Final answer
    x = 8,911.20

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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.