Home / 10,403.04-15,604.36-3,007.20

Finding the Fourth Proportional to 10,403.04, 15,604.36 and 3,007.20

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Solution

The fourth proportional to 10,403.04, 15,604.36 and 3,007.20 is: 4,510.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403.04 : 15,604.36 = 3,007.20 : x
  2. Step 2: Convert to fraction form
    10,403.04/15,604.36 = 3,007.20/x
  3. Step 3: Cross multiply
    10,403.04x = 15,604.36 × 3,007.20
  4. Step 4: Simplify right side
    10,403.04x = 46,925,431.39
  5. Step 5: Solve for x
    x = 46,925,431.39/10,403.04
  6. Step 6: Final answer
    x = 4,510.74

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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.