Home / 19,545.84-26,947.89-12,459.96

Finding the Fourth Proportional to 19,545.84, 26,947.89 and 12,459.96

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Solution

The fourth proportional to 19,545.84, 26,947.89 and 12,459.96 is: 17,178.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,545.84 : 26,947.89 = 12,459.96 : x
  2. Step 2: Convert to fraction form
    19,545.84/26,947.89 = 12,459.96/x
  3. Step 3: Cross multiply
    19,545.84x = 26,947.89 × 12,459.96
  4. Step 4: Simplify right side
    19,545.84x = 335,769,631.48
  5. Step 5: Solve for x
    x = 335,769,631.48/19,545.84
  6. Step 6: Final answer
    x = 17,178.57

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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.