Home / 10,713.10-16,062.90-4,477.45

Finding the Fourth Proportional to 10,713.10, 16,062.90 and 4,477.45

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Solution

The fourth proportional to 10,713.10, 16,062.90 and 4,477.45 is: 6,713.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,713.10 : 16,062.90 = 4,477.45 : x
  2. Step 2: Convert to fraction form
    10,713.10/16,062.90 = 4,477.45/x
  3. Step 3: Cross multiply
    10,713.10x = 16,062.90 × 4,477.45
  4. Step 4: Simplify right side
    10,713.10x = 71,920,831.61
  5. Step 5: Solve for x
    x = 71,920,831.61/10,713.10
  6. Step 6: Final answer
    x = 6,713.35

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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.