Home / 9,735.06-13,434.40-5,543.32

Finding the Fourth Proportional to 9,735.06, 13,434.40 and 5,543.32

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Solution

The fourth proportional to 9,735.06, 13,434.40 and 5,543.32 is: 7,649.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,735.06 : 13,434.40 = 5,543.32 : x
  2. Step 2: Convert to fraction form
    9,735.06/13,434.40 = 5,543.32/x
  3. Step 3: Cross multiply
    9,735.06x = 13,434.40 × 5,543.32
  4. Step 4: Simplify right side
    9,735.06x = 74,471,178.21
  5. Step 5: Solve for x
    x = 74,471,178.21/9,735.06
  6. Step 6: Final answer
    x = 7,649.79

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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.