Home / 8,987.54-13,461.66-7,409.81

Finding the Fourth Proportional to 8,987.54, 13,461.66 and 7,409.81

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Solution

The fourth proportional to 8,987.54, 13,461.66 and 7,409.81 is: 11,098.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,987.54 : 13,461.66 = 7,409.81 : x
  2. Step 2: Convert to fraction form
    8,987.54/13,461.66 = 7,409.81/x
  3. Step 3: Cross multiply
    8,987.54x = 13,461.66 × 7,409.81
  4. Step 4: Simplify right side
    8,987.54x = 99,748,376.54
  5. Step 5: Solve for x
    x = 99,748,376.54/8,987.54
  6. Step 6: Final answer
    x = 11,098.52

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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.