Home / 10,550.18-15,822.08-3,528.40

Finding the Fourth Proportional to 10,550.18, 15,822.08 and 3,528.40

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Solution

The fourth proportional to 10,550.18, 15,822.08 and 3,528.40 is: 5,291.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,550.18 : 15,822.08 = 3,528.40 : x
  2. Step 2: Convert to fraction form
    10,550.18/15,822.08 = 3,528.40/x
  3. Step 3: Cross multiply
    10,550.18x = 15,822.08 × 3,528.40
  4. Step 4: Simplify right side
    10,550.18x = 55,826,627.07
  5. Step 5: Solve for x
    x = 55,826,627.07/10,550.18
  6. Step 6: Final answer
    x = 5,291.53

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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.