Home / 10,455.06-15,645.17-9,054.33

Finding the Fourth Proportional to 10,455.06, 15,645.17 and 9,054.33

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Solution

The fourth proportional to 10,455.06, 15,645.17 and 9,054.33 is: 13,549.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.06 : 15,645.17 = 9,054.33 : x
  2. Step 2: Convert to fraction form
    10,455.06/15,645.17 = 9,054.33/x
  3. Step 3: Cross multiply
    10,455.06x = 15,645.17 × 9,054.33
  4. Step 4: Simplify right side
    10,455.06x = 141,656,486.81
  5. Step 5: Solve for x
    x = 141,656,486.81/10,455.06
  6. Step 6: Final answer
    x = 13,549.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.