Home / 9,901.43-13,678.81-6,506.52

Finding the Fourth Proportional to 9,901.43, 13,678.81 and 6,506.52

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Solution

The fourth proportional to 9,901.43, 13,678.81 and 6,506.52 is: 8,988.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,901.43 : 13,678.81 = 6,506.52 : x
  2. Step 2: Convert to fraction form
    9,901.43/13,678.81 = 6,506.52/x
  3. Step 3: Cross multiply
    9,901.43x = 13,678.81 × 6,506.52
  4. Step 4: Simplify right side
    9,901.43x = 89,001,382.45
  5. Step 5: Solve for x
    x = 89,001,382.45/9,901.43
  6. Step 6: Final answer
    x = 8,988.74

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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.