Home / 9,807.63-13,534.57-5,331.38

Finding the Fourth Proportional to 9,807.63, 13,534.57 and 5,331.38

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Solution

The fourth proportional to 9,807.63, 13,534.57 and 5,331.38 is: 7,357.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,807.63 : 13,534.57 = 5,331.38 : x
  2. Step 2: Convert to fraction form
    9,807.63/13,534.57 = 5,331.38/x
  3. Step 3: Cross multiply
    9,807.63x = 13,534.57 × 5,331.38
  4. Step 4: Simplify right side
    9,807.63x = 72,157,868.13
  5. Step 5: Solve for x
    x = 72,157,868.13/9,807.63
  6. Step 6: Final answer
    x = 7,357.32

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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.