Home / 19,330.70-26,674.56-10,947.20

Finding the Fourth Proportional to 19,330.70, 26,674.56 and 10,947.20

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Solution

The fourth proportional to 19,330.70, 26,674.56 and 10,947.20 is: 15,106.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330.70 : 26,674.56 = 10,947.20 : x
  2. Step 2: Convert to fraction form
    19,330.70/26,674.56 = 10,947.20/x
  3. Step 3: Cross multiply
    19,330.70x = 26,674.56 × 10,947.20
  4. Step 4: Simplify right side
    19,330.70x = 292,011,743.23
  5. Step 5: Solve for x
    x = 292,011,743.23/19,330.70
  6. Step 6: Final answer
    x = 15,106.11

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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.