Home / 15,876.95-23,810.56-10,978.07

Finding the Fourth Proportional to 15,876.95, 23,810.56 and 10,978.07

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Solution

The fourth proportional to 15,876.95, 23,810.56 and 10,978.07 is: 16,463.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,876.95 : 23,810.56 = 10,978.07 : x
  2. Step 2: Convert to fraction form
    15,876.95/23,810.56 = 10,978.07/x
  3. Step 3: Cross multiply
    15,876.95x = 23,810.56 × 10,978.07
  4. Step 4: Simplify right side
    15,876.95x = 261,393,994.42
  5. Step 5: Solve for x
    x = 261,393,994.42/15,876.95
  6. Step 6: Final answer
    x = 16,463.74

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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.