Home / 13,117.24-19,679.52-5,722.36

Finding the Fourth Proportional to 13,117.24, 19,679.52 and 5,722.36

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Solution

The fourth proportional to 13,117.24, 19,679.52 and 5,722.36 is: 8,585.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.24 : 19,679.52 = 5,722.36 : x
  2. Step 2: Convert to fraction form
    13,117.24/19,679.52 = 5,722.36/x
  3. Step 3: Cross multiply
    13,117.24x = 19,679.52 × 5,722.36
  4. Step 4: Simplify right side
    13,117.24x = 112,613,298.07
  5. Step 5: Solve for x
    x = 112,613,298.07/13,117.24
  6. Step 6: Final answer
    x = 8,585.14

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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.