Home / 19,149.12-26,429.04-12,341.20

Finding the Fourth Proportional to 19,149.12, 26,429.04 and 12,341.20

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Solution

The fourth proportional to 19,149.12, 26,429.04 and 12,341.20 is: 17,032.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149.12 : 26,429.04 = 12,341.20 : x
  2. Step 2: Convert to fraction form
    19,149.12/26,429.04 = 12,341.20/x
  3. Step 3: Cross multiply
    19,149.12x = 26,429.04 × 12,341.20
  4. Step 4: Simplify right side
    19,149.12x = 326,166,068.45
  5. Step 5: Solve for x
    x = 326,166,068.45/19,149.12
  6. Step 6: Final answer
    x = 17,032.95

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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.