Home / 20,737.77-31,094.15-8,259.72

Finding the Fourth Proportional to 20,737.77, 31,094.15 and 8,259.72

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Solution

The fourth proportional to 20,737.77, 31,094.15 and 8,259.72 is: 12,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737.77 : 31,094.15 = 8,259.72 : x
  2. Step 2: Convert to fraction form
    20,737.77/31,094.15 = 8,259.72/x
  3. Step 3: Cross multiply
    20,737.77x = 31,094.15 × 8,259.72
  4. Step 4: Simplify right side
    20,737.77x = 256,828,931.34
  5. Step 5: Solve for x
    x = 256,828,931.34/20,737.77
  6. Step 6: Final answer
    x = 12,384.60

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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.