Home / 18,069.18-26,980.78-15,943.08

Finding the Fourth Proportional to 18,069.18, 26,980.78 and 15,943.08

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Solution

The fourth proportional to 18,069.18, 26,980.78 and 15,943.08 is: 23,806.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,069.18 : 26,980.78 = 15,943.08 : x
  2. Step 2: Convert to fraction form
    18,069.18/26,980.78 = 15,943.08/x
  3. Step 3: Cross multiply
    18,069.18x = 26,980.78 × 15,943.08
  4. Step 4: Simplify right side
    18,069.18x = 430,156,740.71
  5. Step 5: Solve for x
    x = 430,156,740.71/18,069.18
  6. Step 6: Final answer
    x = 23,806.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.