Home / 12,941.22-17,856.70-7,275.22

Finding the Fourth Proportional to 12,941.22, 17,856.70 and 7,275.22

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Solution

The fourth proportional to 12,941.22, 17,856.70 and 7,275.22 is: 10,038.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.22 : 17,856.70 = 7,275.22 : x
  2. Step 2: Convert to fraction form
    12,941.22/17,856.70 = 7,275.22/x
  3. Step 3: Cross multiply
    12,941.22x = 17,856.70 × 7,275.22
  4. Step 4: Simplify right side
    12,941.22x = 129,911,358.14
  5. Step 5: Solve for x
    x = 129,911,358.14/12,941.22
  6. Step 6: Final answer
    x = 10,038.57

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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.