Home / 9,905.92-14,841.08-5,742.40

Finding the Fourth Proportional to 9,905.92, 14,841.08 and 5,742.40

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Solution

The fourth proportional to 9,905.92, 14,841.08 and 5,742.40 is: 8,603.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.92 : 14,841.08 = 5,742.40 : x
  2. Step 2: Convert to fraction form
    9,905.92/14,841.08 = 5,742.40/x
  3. Step 3: Cross multiply
    9,905.92x = 14,841.08 × 5,742.40
  4. Step 4: Simplify right side
    9,905.92x = 85,223,417.79
  5. Step 5: Solve for x
    x = 85,223,417.79/9,905.92
  6. Step 6: Final answer
    x = 8,603.28

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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.