Home / 20,598.98-30,887.40-6,555.20

Finding the Fourth Proportional to 20,598.98, 30,887.40 and 6,555.20

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Solution

The fourth proportional to 20,598.98, 30,887.40 and 6,555.20 is: 9,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,598.98 : 30,887.40 = 6,555.20 : x
  2. Step 2: Convert to fraction form
    20,598.98/30,887.40 = 6,555.20/x
  3. Step 3: Cross multiply
    20,598.98x = 30,887.40 × 6,555.20
  4. Step 4: Simplify right side
    20,598.98x = 202,473,084.48
  5. Step 5: Solve for x
    x = 202,473,084.48/20,598.98
  6. Step 6: Final answer
    x = 9,829.28

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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.