Home / 11,030.56-15,225.72-7,062.36

Finding the Fourth Proportional to 11,030.56, 15,225.72 and 7,062.36

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Solution

The fourth proportional to 11,030.56, 15,225.72 and 7,062.36 is: 9,748.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.56 : 15,225.72 = 7,062.36 : x
  2. Step 2: Convert to fraction form
    11,030.56/15,225.72 = 7,062.36/x
  3. Step 3: Cross multiply
    11,030.56x = 15,225.72 × 7,062.36
  4. Step 4: Simplify right side
    11,030.56x = 107,529,515.90
  5. Step 5: Solve for x
    x = 107,529,515.90/11,030.56
  6. Step 6: Final answer
    x = 9,748.33

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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.