Home / 15,308.91-22,903.69-13,419.81

Finding the Fourth Proportional to 15,308.91, 22,903.69 and 13,419.81

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Solution

The fourth proportional to 15,308.91, 22,903.69 and 13,419.81 is: 20,077.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,308.91 : 22,903.69 = 13,419.81 : x
  2. Step 2: Convert to fraction form
    15,308.91/22,903.69 = 13,419.81/x
  3. Step 3: Cross multiply
    15,308.91x = 22,903.69 × 13,419.81
  4. Step 4: Simplify right side
    15,308.91x = 307,363,100.19
  5. Step 5: Solve for x
    x = 307,363,100.19/15,308.91
  6. Step 6: Final answer
    x = 20,077.39

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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.