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Finding the Fourth Proportional to 40,284.10, 60,426 and 9,889.36

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Solution

The fourth proportional to 40,284.10, 60,426 and 9,889.36 is: 14,834.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,284.10 : 60,426 = 9,889.36 : x
  2. Step 2: Convert to fraction form
    40,284.10/60,426 = 9,889.36/x
  3. Step 3: Cross multiply
    40,284.10x = 60,426 × 9,889.36
  4. Step 4: Simplify right side
    40,284.10x = 597,574,316.30
  5. Step 5: Solve for x
    x = 597,574,316.30/40,284.10
  6. Step 6: Final answer
    x = 14,834.00

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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.