Home / 19,569.61-29,341.64-12,885.88

Finding the Fourth Proportional to 19,569.61, 29,341.64 and 12,885.88

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Solution

The fourth proportional to 19,569.61, 29,341.64 and 12,885.88 is: 19,320.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,569.61 : 29,341.64 = 12,885.88 : x
  2. Step 2: Convert to fraction form
    19,569.61/29,341.64 = 12,885.88/x
  3. Step 3: Cross multiply
    19,569.61x = 29,341.64 × 12,885.88
  4. Step 4: Simplify right side
    19,569.61x = 378,092,852.04
  5. Step 5: Solve for x
    x = 378,092,852.04/19,569.61
  6. Step 6: Final answer
    x = 19,320.41

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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.