Home / 18,525.02-25,547.96-13,500.95

Finding the Fourth Proportional to 18,525.02, 25,547.96 and 13,500.95

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Solution

The fourth proportional to 18,525.02, 25,547.96 and 13,500.95 is: 18,619.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,525.02 : 25,547.96 = 13,500.95 : x
  2. Step 2: Convert to fraction form
    18,525.02/25,547.96 = 13,500.95/x
  3. Step 3: Cross multiply
    18,525.02x = 25,547.96 × 13,500.95
  4. Step 4: Simplify right side
    18,525.02x = 344,921,636.57
  5. Step 5: Solve for x
    x = 344,921,636.57/18,525.02
  6. Step 6: Final answer
    x = 18,619.24

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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.