Home / 10,407.90-14,370.42-6,434.46

Finding the Fourth Proportional to 10,407.90, 14,370.42 and 6,434.46

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Solution

The fourth proportional to 10,407.90, 14,370.42 and 6,434.46 is: 8,884.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.90 : 14,370.42 = 6,434.46 : x
  2. Step 2: Convert to fraction form
    10,407.90/14,370.42 = 6,434.46/x
  3. Step 3: Cross multiply
    10,407.90x = 14,370.42 × 6,434.46
  4. Step 4: Simplify right side
    10,407.90x = 92,465,892.67
  5. Step 5: Solve for x
    x = 92,465,892.67/10,407.90
  6. Step 6: Final answer
    x = 8,884.20

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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.