Home / 21,377.85-32,070.29-6,586.77

Finding the Fourth Proportional to 21,377.85, 32,070.29 and 6,586.77

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Solution

The fourth proportional to 21,377.85, 32,070.29 and 6,586.77 is: 9,881.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,377.85 : 32,070.29 = 6,586.77 : x
  2. Step 2: Convert to fraction form
    21,377.85/32,070.29 = 6,586.77/x
  3. Step 3: Cross multiply
    21,377.85x = 32,070.29 × 6,586.77
  4. Step 4: Simplify right side
    21,377.85x = 211,239,591.13
  5. Step 5: Solve for x
    x = 211,239,591.13/21,377.85
  6. Step 6: Final answer
    x = 9,881.24

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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.