Home / 15,721.47-23,589.18-6,368.18

Finding the Fourth Proportional to 15,721.47, 23,589.18 and 6,368.18

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Solution

The fourth proportional to 15,721.47, 23,589.18 and 6,368.18 is: 9,555.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,721.47 : 23,589.18 = 6,368.18 : x
  2. Step 2: Convert to fraction form
    15,721.47/23,589.18 = 6,368.18/x
  3. Step 3: Cross multiply
    15,721.47x = 23,589.18 × 6,368.18
  4. Step 4: Simplify right side
    15,721.47x = 150,220,026.35
  5. Step 5: Solve for x
    x = 150,220,026.35/15,721.47
  6. Step 6: Final answer
    x = 9,555.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.