Home / 10,603.17-15,903.54-2,812.59

Finding the Fourth Proportional to 10,603.17, 15,903.54 and 2,812.59

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Solution

The fourth proportional to 10,603.17, 15,903.54 and 2,812.59 is: 4,218.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603.17 : 15,903.54 = 2,812.59 : x
  2. Step 2: Convert to fraction form
    10,603.17/15,903.54 = 2,812.59/x
  3. Step 3: Cross multiply
    10,603.17x = 15,903.54 × 2,812.59
  4. Step 4: Simplify right side
    10,603.17x = 44,730,137.57
  5. Step 5: Solve for x
    x = 44,730,137.57/10,603.17
  6. Step 6: Final answer
    x = 4,218.56

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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.