Home / 9,805.49-13,531.65-5,329.23

Finding the Fourth Proportional to 9,805.49, 13,531.65 and 5,329.23

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Solution

The fourth proportional to 9,805.49, 13,531.65 and 5,329.23 is: 7,354.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,805.49 : 13,531.65 = 5,329.23 : x
  2. Step 2: Convert to fraction form
    9,805.49/13,531.65 = 5,329.23/x
  3. Step 3: Cross multiply
    9,805.49x = 13,531.65 × 5,329.23
  4. Step 4: Simplify right side
    9,805.49x = 72,113,261.81
  5. Step 5: Solve for x
    x = 72,113,261.81/9,805.49
  6. Step 6: Final answer
    x = 7,354.38

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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.