Home / 11,280.49-15,564.93-7,301.05

Finding the Fourth Proportional to 11,280.49, 15,564.93 and 7,301.05

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Solution

The fourth proportional to 11,280.49, 15,564.93 and 7,301.05 is: 10,074.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.49 : 15,564.93 = 7,301.05 : x
  2. Step 2: Convert to fraction form
    11,280.49/15,564.93 = 7,301.05/x
  3. Step 3: Cross multiply
    11,280.49x = 15,564.93 × 7,301.05
  4. Step 4: Simplify right side
    11,280.49x = 113,640,332.18
  5. Step 5: Solve for x
    x = 113,640,332.18/11,280.49
  6. Step 6: Final answer
    x = 10,074.06

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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.