Home / 10,055.45-15,068.75-5,663.63

Finding the Fourth Proportional to 10,055.45, 15,068.75 and 5,663.63

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Solution

The fourth proportional to 10,055.45, 15,068.75 and 5,663.63 is: 8,487.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055.45 : 15,068.75 = 5,663.63 : x
  2. Step 2: Convert to fraction form
    10,055.45/15,068.75 = 5,663.63/x
  3. Step 3: Cross multiply
    10,055.45x = 15,068.75 × 5,663.63
  4. Step 4: Simplify right side
    10,055.45x = 85,343,720.90
  5. Step 5: Solve for x
    x = 85,343,720.90/10,055.45
  6. Step 6: Final answer
    x = 8,487.31

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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.