Home / 19,360.32-26,717.76-10,978.08

Finding the Fourth Proportional to 19,360.32, 26,717.76 and 10,978.08

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Solution

The fourth proportional to 19,360.32, 26,717.76 and 10,978.08 is: 15,150.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.32 : 26,717.76 = 10,978.08 : x
  2. Step 2: Convert to fraction form
    19,360.32/26,717.76 = 10,978.08/x
  3. Step 3: Cross multiply
    19,360.32x = 26,717.76 × 10,978.08
  4. Step 4: Simplify right side
    19,360.32x = 293,309,706.70
  5. Step 5: Solve for x
    x = 293,309,706.70/19,360.32
  6. Step 6: Final answer
    x = 15,150.04

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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.