Home / 19,357.10-26,713.32-11,397.86

Finding the Fourth Proportional to 19,357.10, 26,713.32 and 11,397.86

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Solution

The fourth proportional to 19,357.10, 26,713.32 and 11,397.86 is: 15,729.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,357.10 : 26,713.32 = 11,397.86 : x
  2. Step 2: Convert to fraction form
    19,357.10/26,713.32 = 11,397.86/x
  3. Step 3: Cross multiply
    19,357.10x = 26,713.32 × 11,397.86
  4. Step 4: Simplify right side
    19,357.10x = 304,474,681.50
  5. Step 5: Solve for x
    x = 304,474,681.50/19,357.10
  6. Step 6: Final answer
    x = 15,729.35

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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.