Home / 22,357.02-30,864.87-15,663.18

Finding the Fourth Proportional to 22,357.02, 30,864.87 and 15,663.18

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Solution

The fourth proportional to 22,357.02, 30,864.87 and 15,663.18 is: 21,623.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,357.02 : 30,864.87 = 15,663.18 : x
  2. Step 2: Convert to fraction form
    22,357.02/30,864.87 = 15,663.18/x
  3. Step 3: Cross multiply
    22,357.02x = 30,864.87 × 15,663.18
  4. Step 4: Simplify right side
    22,357.02x = 483,442,014.49
  5. Step 5: Solve for x
    x = 483,442,014.49/22,357.02
  6. Step 6: Final answer
    x = 21,623.72

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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.