Home / 15,521.04-23,162.32-13,860.24

Finding the Fourth Proportional to 15,521.04, 23,162.32 and 13,860.24

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Solution

The fourth proportional to 15,521.04, 23,162.32 and 13,860.24 is: 20,683.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,521.04 : 23,162.32 = 13,860.24 : x
  2. Step 2: Convert to fraction form
    15,521.04/23,162.32 = 13,860.24/x
  3. Step 3: Cross multiply
    15,521.04x = 23,162.32 × 13,860.24
  4. Step 4: Simplify right side
    15,521.04x = 321,035,314.16
  5. Step 5: Solve for x
    x = 321,035,314.16/15,521.04
  6. Step 6: Final answer
    x = 20,683.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.