Home / 20,868.93-31,302.45-6,077.52

Finding the Fourth Proportional to 20,868.93, 31,302.45 and 6,077.52

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Solution

The fourth proportional to 20,868.93, 31,302.45 and 6,077.52 is: 9,116.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,868.93 : 31,302.45 = 6,077.52 : x
  2. Step 2: Convert to fraction form
    20,868.93/31,302.45 = 6,077.52/x
  3. Step 3: Cross multiply
    20,868.93x = 31,302.45 × 6,077.52
  4. Step 4: Simplify right side
    20,868.93x = 190,241,265.92
  5. Step 5: Solve for x
    x = 190,241,265.92/20,868.93
  6. Step 6: Final answer
    x = 9,116.00

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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.