Home / 22,693.38-31,315.02-12,621.84

Finding the Fourth Proportional to 22,693.38, 31,315.02 and 12,621.84

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Solution

The fourth proportional to 22,693.38, 31,315.02 and 12,621.84 is: 17,417.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,693.38 : 31,315.02 = 12,621.84 : x
  2. Step 2: Convert to fraction form
    22,693.38/31,315.02 = 12,621.84/x
  3. Step 3: Cross multiply
    22,693.38x = 31,315.02 × 12,621.84
  4. Step 4: Simplify right side
    22,693.38x = 395,253,172.04
  5. Step 5: Solve for x
    x = 395,253,172.04/22,693.38
  6. Step 6: Final answer
    x = 17,417.11

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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.