Home / 15,482.57-21,355.07-9,517.52

Finding the Fourth Proportional to 15,482.57, 21,355.07 and 9,517.52

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Solution

The fourth proportional to 15,482.57, 21,355.07 and 9,517.52 is: 13,127.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,482.57 : 21,355.07 = 9,517.52 : x
  2. Step 2: Convert to fraction form
    15,482.57/21,355.07 = 9,517.52/x
  3. Step 3: Cross multiply
    15,482.57x = 21,355.07 × 9,517.52
  4. Step 4: Simplify right side
    15,482.57x = 203,247,311.63
  5. Step 5: Solve for x
    x = 203,247,311.63/15,482.57
  6. Step 6: Final answer
    x = 13,127.50

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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.