Home / 15,980.95-22,053.28-9,174.77

Finding the Fourth Proportional to 15,980.95, 22,053.28 and 9,174.77

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Solution

The fourth proportional to 15,980.95, 22,053.28 and 9,174.77 is: 12,660.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.95 : 22,053.28 = 9,174.77 : x
  2. Step 2: Convert to fraction form
    15,980.95/22,053.28 = 9,174.77/x
  3. Step 3: Cross multiply
    15,980.95x = 22,053.28 × 9,174.77
  4. Step 4: Simplify right side
    15,980.95x = 202,333,803.94
  5. Step 5: Solve for x
    x = 202,333,803.94/15,980.95
  6. Step 6: Final answer
    x = 12,660.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.