Home / 9,854.15-13,598.23-5,377.87

Finding the Fourth Proportional to 9,854.15, 13,598.23 and 5,377.87

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Solution

The fourth proportional to 9,854.15, 13,598.23 and 5,377.87 is: 7,421.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,854.15 : 13,598.23 = 5,377.87 : x
  2. Step 2: Convert to fraction form
    9,854.15/13,598.23 = 5,377.87/x
  3. Step 3: Cross multiply
    9,854.15x = 13,598.23 × 5,377.87
  4. Step 4: Simplify right side
    9,854.15x = 73,129,513.17
  5. Step 5: Solve for x
    x = 73,129,513.17/9,854.15
  6. Step 6: Final answer
    x = 7,421.19

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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.