Home / 14,652.29-20,219.27-8,987.05

Finding the Fourth Proportional to 14,652.29, 20,219.27 and 8,987.05

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Solution

The fourth proportional to 14,652.29, 20,219.27 and 8,987.05 is: 12,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652.29 : 20,219.27 = 8,987.05 : x
  2. Step 2: Convert to fraction form
    14,652.29/20,219.27 = 8,987.05/x
  3. Step 3: Cross multiply
    14,652.29x = 20,219.27 × 8,987.05
  4. Step 4: Simplify right side
    14,652.29x = 181,711,621.34
  5. Step 5: Solve for x
    x = 181,711,621.34/14,652.29
  6. Step 6: Final answer
    x = 12,401.58

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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.