Home / 10,203.48-15,307.65-5,528.16

Finding the Fourth Proportional to 10,203.48, 15,307.65 and 5,528.16

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Solution

The fourth proportional to 10,203.48, 15,307.65 and 5,528.16 is: 8,293.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.48 : 15,307.65 = 5,528.16 : x
  2. Step 2: Convert to fraction form
    10,203.48/15,307.65 = 5,528.16/x
  3. Step 3: Cross multiply
    10,203.48x = 15,307.65 × 5,528.16
  4. Step 4: Simplify right side
    10,203.48x = 84,623,138.42
  5. Step 5: Solve for x
    x = 84,623,138.42/10,203.48
  6. Step 6: Final answer
    x = 8,293.56

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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.