Home / 8,730.30-13,112.25-7,483.74

Finding the Fourth Proportional to 8,730.30, 13,112.25 and 7,483.74

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Solution

The fourth proportional to 8,730.30, 13,112.25 and 7,483.74 is: 11,240.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.30 : 13,112.25 = 7,483.74 : x
  2. Step 2: Convert to fraction form
    8,730.30/13,112.25 = 7,483.74/x
  3. Step 3: Cross multiply
    8,730.30x = 13,112.25 × 7,483.74
  4. Step 4: Simplify right side
    8,730.30x = 98,128,669.82
  5. Step 5: Solve for x
    x = 98,128,669.82/8,730.30
  6. Step 6: Final answer
    x = 11,240.01

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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.