Home / 14,386.32-21,575.46-9,113.49

Finding the Fourth Proportional to 14,386.32, 21,575.46 and 9,113.49

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Solution

The fourth proportional to 14,386.32, 21,575.46 and 9,113.49 is: 13,667.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386.32 : 21,575.46 = 9,113.49 : x
  2. Step 2: Convert to fraction form
    14,386.32/21,575.46 = 9,113.49/x
  3. Step 3: Cross multiply
    14,386.32x = 21,575.46 × 9,113.49
  4. Step 4: Simplify right side
    14,386.32x = 196,627,738.96
  5. Step 5: Solve for x
    x = 196,627,738.96/14,386.32
  6. Step 6: Final answer
    x = 13,667.69

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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.