Home / 21,295.01-31,945.95-6,500.47

Finding the Fourth Proportional to 21,295.01, 31,945.95 and 6,500.47

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Solution

The fourth proportional to 21,295.01, 31,945.95 and 6,500.47 is: 9,751.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,295.01 : 31,945.95 = 6,500.47 : x
  2. Step 2: Convert to fraction form
    21,295.01/31,945.95 = 6,500.47/x
  3. Step 3: Cross multiply
    21,295.01x = 31,945.95 × 6,500.47
  4. Step 4: Simplify right side
    21,295.01x = 207,663,689.60
  5. Step 5: Solve for x
    x = 207,663,689.60/21,295.01
  6. Step 6: Final answer
    x = 9,751.75

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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.