Home / 17,478.45-26,217.51-10,460.40

Finding the Fourth Proportional to 17,478.45, 26,217.51 and 10,460.40

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Solution

The fourth proportional to 17,478.45, 26,217.51 and 10,460.40 is: 15,690.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,478.45 : 26,217.51 = 10,460.40 : x
  2. Step 2: Convert to fraction form
    17,478.45/26,217.51 = 10,460.40/x
  3. Step 3: Cross multiply
    17,478.45x = 26,217.51 × 10,460.40
  4. Step 4: Simplify right side
    17,478.45x = 274,245,641.60
  5. Step 5: Solve for x
    x = 274,245,641.60/17,478.45
  6. Step 6: Final answer
    x = 15,690.50

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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.