Home / 9,838.56-13,577.20-5,362.40

Finding the Fourth Proportional to 9,838.56, 13,577.20 and 5,362.40

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Solution

The fourth proportional to 9,838.56, 13,577.20 and 5,362.40 is: 7,400.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,838.56 : 13,577.20 = 5,362.40 : x
  2. Step 2: Convert to fraction form
    9,838.56/13,577.20 = 5,362.40/x
  3. Step 3: Cross multiply
    9,838.56x = 13,577.20 × 5,362.40
  4. Step 4: Simplify right side
    9,838.56x = 72,806,377.28
  5. Step 5: Solve for x
    x = 72,806,377.28/9,838.56
  6. Step 6: Final answer
    x = 7,400.11

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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.