Home / 18,526.07-25,557.17-13,488

Finding the Fourth Proportional to 18,526.07, 25,557.17 and 13,488

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Solution

The fourth proportional to 18,526.07, 25,557.17 and 13,488 is: 18,607.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.07 : 25,557.17 = 13,488 : x
  2. Step 2: Convert to fraction form
    18,526.07/25,557.17 = 13,488/x
  3. Step 3: Cross multiply
    18,526.07x = 25,557.17 × 13,488
  4. Step 4: Simplify right side
    18,526.07x = 344,715,041.52
  5. Step 5: Solve for x
    x = 344,715,041.52/18,526.07
  6. Step 6: Final answer
    x = 18,607.03

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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.