Home / 21,444.60-29,595.04-12,013.76

Finding the Fourth Proportional to 21,444.60, 29,595.04 and 12,013.76

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Solution

The fourth proportional to 21,444.60, 29,595.04 and 12,013.76 is: 16,579.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,444.60 : 29,595.04 = 12,013.76 : x
  2. Step 2: Convert to fraction form
    21,444.60/29,595.04 = 12,013.76/x
  3. Step 3: Cross multiply
    21,444.60x = 29,595.04 × 12,013.76
  4. Step 4: Simplify right side
    21,444.60x = 355,547,707.75
  5. Step 5: Solve for x
    x = 355,547,707.75/21,444.60
  6. Step 6: Final answer
    x = 16,579.82

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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.