Home / 19,187.60-26,479.34-10,690.29

Finding the Fourth Proportional to 19,187.60, 26,479.34 and 10,690.29

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Solution

The fourth proportional to 19,187.60, 26,479.34 and 10,690.29 is: 14,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187.60 : 26,479.34 = 10,690.29 : x
  2. Step 2: Convert to fraction form
    19,187.60/26,479.34 = 10,690.29/x
  3. Step 3: Cross multiply
    19,187.60x = 26,479.34 × 10,690.29
  4. Step 4: Simplify right side
    19,187.60x = 283,071,770.16
  5. Step 5: Solve for x
    x = 283,071,770.16/19,187.60
  6. Step 6: Final answer
    x = 14,752.85

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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.