Home / 10,437.67-14,318.21-9,872.74

Finding the Fourth Proportional to 10,437.67, 14,318.21 and 9,872.74

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Solution

The fourth proportional to 10,437.67, 14,318.21 and 9,872.74 is: 13,543.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.67 : 14,318.21 = 9,872.74 : x
  2. Step 2: Convert to fraction form
    10,437.67/14,318.21 = 9,872.74/x
  3. Step 3: Cross multiply
    10,437.67x = 14,318.21 × 9,872.74
  4. Step 4: Simplify right side
    10,437.67x = 141,359,964.60
  5. Step 5: Solve for x
    x = 141,359,964.60/10,437.67
  6. Step 6: Final answer
    x = 13,543.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.