Home / 19,167.04-26,442.48-12,455.20

Finding the Fourth Proportional to 19,167.04, 26,442.48 and 12,455.20

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Solution

The fourth proportional to 19,167.04, 26,442.48 and 12,455.20 is: 17,182.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,167.04 : 26,442.48 = 12,455.20 : x
  2. Step 2: Convert to fraction form
    19,167.04/26,442.48 = 12,455.20/x
  3. Step 3: Cross multiply
    19,167.04x = 26,442.48 × 12,455.20
  4. Step 4: Simplify right side
    19,167.04x = 329,346,376.90
  5. Step 5: Solve for x
    x = 329,346,376.90/19,167.04
  6. Step 6: Final answer
    x = 17,182.95

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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.