Home / 17,368.10-25,980.78-13,864.95

Finding the Fourth Proportional to 17,368.10, 25,980.78 and 13,864.95

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Solution

The fourth proportional to 17,368.10, 25,980.78 and 13,864.95 is: 20,740.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,368.10 : 25,980.78 = 13,864.95 : x
  2. Step 2: Convert to fraction form
    17,368.10/25,980.78 = 13,864.95/x
  3. Step 3: Cross multiply
    17,368.10x = 25,980.78 × 13,864.95
  4. Step 4: Simplify right side
    17,368.10x = 360,222,215.66
  5. Step 5: Solve for x
    x = 360,222,215.66/17,368.10
  6. Step 6: Final answer
    x = 20,740.46

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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.