Home / 15,980.15-22,053.58-8,810.03

Finding the Fourth Proportional to 15,980.15, 22,053.58 and 8,810.03

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Solution

The fourth proportional to 15,980.15, 22,053.58 and 8,810.03 is: 12,158.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.15 : 22,053.58 = 8,810.03 : x
  2. Step 2: Convert to fraction form
    15,980.15/22,053.58 = 8,810.03/x
  3. Step 3: Cross multiply
    15,980.15x = 22,053.58 × 8,810.03
  4. Step 4: Simplify right side
    15,980.15x = 194,292,734.52
  5. Step 5: Solve for x
    x = 194,292,734.52/15,980.15
  6. Step 6: Final answer
    x = 12,158.38

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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.