Home / 19,511.79-29,267.48-10,146.98

Finding the Fourth Proportional to 19,511.79, 29,267.48 and 10,146.98

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Solution

The fourth proportional to 19,511.79, 29,267.48 and 10,146.98 is: 15,220.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.79 : 29,267.48 = 10,146.98 : x
  2. Step 2: Convert to fraction form
    19,511.79/29,267.48 = 10,146.98/x
  3. Step 3: Cross multiply
    19,511.79x = 29,267.48 × 10,146.98
  4. Step 4: Simplify right side
    19,511.79x = 296,976,337.14
  5. Step 5: Solve for x
    x = 296,976,337.14/19,511.79
  6. Step 6: Final answer
    x = 15,220.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.