Home / 11,580.14-15,980.90-7,041.25

Finding the Fourth Proportional to 11,580.14, 15,980.90 and 7,041.25

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Solution

The fourth proportional to 11,580.14, 15,980.90 and 7,041.25 is: 9,717.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580.14 : 15,980.90 = 7,041.25 : x
  2. Step 2: Convert to fraction form
    11,580.14/15,980.90 = 7,041.25/x
  3. Step 3: Cross multiply
    11,580.14x = 15,980.90 × 7,041.25
  4. Step 4: Simplify right side
    11,580.14x = 112,525,566.47
  5. Step 5: Solve for x
    x = 112,525,566.47/11,580.14
  6. Step 6: Final answer
    x = 9,717.12

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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.