Home / 19,278.32-26,607.15-11,320.49

Finding the Fourth Proportional to 19,278.32, 26,607.15 and 11,320.49

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Solution

The fourth proportional to 19,278.32, 26,607.15 and 11,320.49 is: 15,624.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278.32 : 26,607.15 = 11,320.49 : x
  2. Step 2: Convert to fraction form
    19,278.32/26,607.15 = 11,320.49/x
  3. Step 3: Cross multiply
    19,278.32x = 26,607.15 × 11,320.49
  4. Step 4: Simplify right side
    19,278.32x = 301,205,842.47
  5. Step 5: Solve for x
    x = 301,205,842.47/19,278.32
  6. Step 6: Final answer
    x = 15,624.08

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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.