Home / 22,152.96-30,582.02-15,352.13

Finding the Fourth Proportional to 22,152.96, 30,582.02 and 15,352.13

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Solution

The fourth proportional to 22,152.96, 30,582.02 and 15,352.13 is: 21,193.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,152.96 : 30,582.02 = 15,352.13 : x
  2. Step 2: Convert to fraction form
    22,152.96/30,582.02 = 15,352.13/x
  3. Step 3: Cross multiply
    22,152.96x = 30,582.02 × 15,352.13
  4. Step 4: Simplify right side
    22,152.96x = 469,499,261.54
  5. Step 5: Solve for x
    x = 469,499,261.54/22,152.96
  6. Step 6: Final answer
    x = 21,193.52

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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.