Home / 15,424.16-23,024.60-13,555.84

Finding the Fourth Proportional to 15,424.16, 23,024.60 and 13,555.84

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Solution

The fourth proportional to 15,424.16, 23,024.60 and 13,555.84 is: 20,235.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,424.16 : 23,024.60 = 13,555.84 : x
  2. Step 2: Convert to fraction form
    15,424.16/23,024.60 = 13,555.84/x
  3. Step 3: Cross multiply
    15,424.16x = 23,024.60 × 13,555.84
  4. Step 4: Simplify right side
    15,424.16x = 312,117,793.66
  5. Step 5: Solve for x
    x = 312,117,793.66/15,424.16
  6. Step 6: Final answer
    x = 20,235.64

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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.