Home / 16,762.12-25,139.85-8,319.81

Finding the Fourth Proportional to 16,762.12, 25,139.85 and 8,319.81

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Solution

The fourth proportional to 16,762.12, 25,139.85 and 8,319.81 is: 12,478.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,762.12 : 25,139.85 = 8,319.81 : x
  2. Step 2: Convert to fraction form
    16,762.12/25,139.85 = 8,319.81/x
  3. Step 3: Cross multiply
    16,762.12x = 25,139.85 × 8,319.81
  4. Step 4: Simplify right side
    16,762.12x = 209,158,838.50
  5. Step 5: Solve for x
    x = 209,158,838.50/16,762.12
  6. Step 6: Final answer
    x = 12,478.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.