Home / 18,208.52-25,130.16-10,252.30

Finding the Fourth Proportional to 18,208.52, 25,130.16 and 10,252.30

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Solution

The fourth proportional to 18,208.52, 25,130.16 and 10,252.30 is: 14,149.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208.52 : 25,130.16 = 10,252.30 : x
  2. Step 2: Convert to fraction form
    18,208.52/25,130.16 = 10,252.30/x
  3. Step 3: Cross multiply
    18,208.52x = 25,130.16 × 10,252.30
  4. Step 4: Simplify right side
    18,208.52x = 257,641,888.11
  5. Step 5: Solve for x
    x = 257,641,888.11/18,208.52
  6. Step 6: Final answer
    x = 14,149.52

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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.