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Finding the Fourth Proportional to 9,875.92, 14,818.02 and 4,326.40

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Solution

The fourth proportional to 9,875.92, 14,818.02 and 4,326.40 is: 6,491.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,875.92 : 14,818.02 = 4,326.40 : x
  2. Step 2: Convert to fraction form
    9,875.92/14,818.02 = 4,326.40/x
  3. Step 3: Cross multiply
    9,875.92x = 14,818.02 × 4,326.40
  4. Step 4: Simplify right side
    9,875.92x = 64,108,681.73
  5. Step 5: Solve for x
    x = 64,108,681.73/9,875.92
  6. Step 6: Final answer
    x = 6,491.41

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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.