Home / 13,350.47-18,423.45-7,382.00

Finding the Fourth Proportional to 13,350.47, 18,423.45 and 7,382.00

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Solution

The fourth proportional to 13,350.47, 18,423.45 and 7,382.00 is: 10,187.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.47 : 18,423.45 = 7,382.00 : x
  2. Step 2: Convert to fraction form
    13,350.47/18,423.45 = 7,382.00/x
  3. Step 3: Cross multiply
    13,350.47x = 18,423.45 × 7,382.00
  4. Step 4: Simplify right side
    13,350.47x = 136,001,953.96
  5. Step 5: Solve for x
    x = 136,001,953.96/13,350.47
  6. Step 6: Final answer
    x = 10,187.06

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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.