Home / 15,260.04-21,061.08-9,295.20

Finding the Fourth Proportional to 15,260.04, 21,061.08 and 9,295.20

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Solution

The fourth proportional to 15,260.04, 21,061.08 and 9,295.20 is: 12,828.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,260.04 : 21,061.08 = 9,295.20 : x
  2. Step 2: Convert to fraction form
    15,260.04/21,061.08 = 9,295.20/x
  3. Step 3: Cross multiply
    15,260.04x = 21,061.08 × 9,295.20
  4. Step 4: Simplify right side
    15,260.04x = 195,766,950.82
  5. Step 5: Solve for x
    x = 195,766,950.82/15,260.04
  6. Step 6: Final answer
    x = 12,828.73

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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.