Home / 11,070.95-15,280.04-7,287.44

Finding the Fourth Proportional to 11,070.95, 15,280.04 and 7,287.44

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Solution

The fourth proportional to 11,070.95, 15,280.04 and 7,287.44 is: 10,058.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,070.95 : 15,280.04 = 7,287.44 : x
  2. Step 2: Convert to fraction form
    11,070.95/15,280.04 = 7,287.44/x
  3. Step 3: Cross multiply
    11,070.95x = 15,280.04 × 7,287.44
  4. Step 4: Simplify right side
    11,070.95x = 111,352,316.52
  5. Step 5: Solve for x
    x = 111,352,316.52/11,070.95
  6. Step 6: Final answer
    x = 10,058.07

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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.