Home / 10,080.40-15,118.63-9,580.32

Finding the Fourth Proportional to 10,080.40, 15,118.63 and 9,580.32

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Solution

The fourth proportional to 10,080.40, 15,118.63 and 9,580.32 is: 14,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.40 : 15,118.63 = 9,580.32 : x
  2. Step 2: Convert to fraction form
    10,080.40/15,118.63 = 9,580.32/x
  3. Step 3: Cross multiply
    10,080.40x = 15,118.63 × 9,580.32
  4. Step 4: Simplify right side
    10,080.40x = 144,841,189.87
  5. Step 5: Solve for x
    x = 144,841,189.87/10,080.40
  6. Step 6: Final answer
    x = 14,368.60

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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.