Home / 15,417.36-23,128.62-5,419.52

Finding the Fourth Proportional to 15,417.36, 23,128.62 and 5,419.52

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Solution

The fourth proportional to 15,417.36, 23,128.62 and 5,419.52 is: 8,130.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,417.36 : 23,128.62 = 5,419.52 : x
  2. Step 2: Convert to fraction form
    15,417.36/23,128.62 = 5,419.52/x
  3. Step 3: Cross multiply
    15,417.36x = 23,128.62 × 5,419.52
  4. Step 4: Simplify right side
    15,417.36x = 125,346,018.66
  5. Step 5: Solve for x
    x = 125,346,018.66/15,417.36
  6. Step 6: Final answer
    x = 8,130.19

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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.