Home / 16,390.60-22,621.06-10,015.88

Finding the Fourth Proportional to 16,390.60, 22,621.06 and 10,015.88

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Solution

The fourth proportional to 16,390.60, 22,621.06 and 10,015.88 is: 13,823.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,390.60 : 22,621.06 = 10,015.88 : x
  2. Step 2: Convert to fraction form
    16,390.60/22,621.06 = 10,015.88/x
  3. Step 3: Cross multiply
    16,390.60x = 22,621.06 × 10,015.88
  4. Step 4: Simplify right side
    16,390.60x = 226,569,822.43
  5. Step 5: Solve for x
    x = 226,569,822.43/16,390.60
  6. Step 6: Final answer
    x = 13,823.16

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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.