Home / 19,309.56-26,648.04-15,110.52

Finding the Fourth Proportional to 19,309.56, 26,648.04 and 15,110.52

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Solution

The fourth proportional to 19,309.56, 26,648.04 and 15,110.52 is: 20,853.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309.56 : 26,648.04 = 15,110.52 : x
  2. Step 2: Convert to fraction form
    19,309.56/26,648.04 = 15,110.52/x
  3. Step 3: Cross multiply
    19,309.56x = 26,648.04 × 15,110.52
  4. Step 4: Simplify right side
    19,309.56x = 402,665,741.38
  5. Step 5: Solve for x
    x = 402,665,741.38/19,309.56
  6. Step 6: Final answer
    x = 20,853.18

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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.