Home / 9,931.41-13,711.77-6,158.59

Finding the Fourth Proportional to 9,931.41, 13,711.77 and 6,158.59

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Solution

The fourth proportional to 9,931.41, 13,711.77 and 6,158.59 is: 8,502.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,931.41 : 13,711.77 = 6,158.59 : x
  2. Step 2: Convert to fraction form
    9,931.41/13,711.77 = 6,158.59/x
  3. Step 3: Cross multiply
    9,931.41x = 13,711.77 × 6,158.59
  4. Step 4: Simplify right side
    9,931.41x = 84,445,135.32
  5. Step 5: Solve for x
    x = 84,445,135.32/9,931.41
  6. Step 6: Final answer
    x = 8,502.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.