Home / 10,623.10-15,903.49-7,449.53

Finding the Fourth Proportional to 10,623.10, 15,903.49 and 7,449.53

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Solution

The fourth proportional to 10,623.10, 15,903.49 and 7,449.53 is: 11,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,623.10 : 15,903.49 = 7,449.53 : x
  2. Step 2: Convert to fraction form
    10,623.10/15,903.49 = 7,449.53/x
  3. Step 3: Cross multiply
    10,623.10x = 15,903.49 × 7,449.53
  4. Step 4: Simplify right side
    10,623.10x = 118,473,525.86
  5. Step 5: Solve for x
    x = 118,473,525.86/10,623.10
  6. Step 6: Final answer
    x = 11,152.45

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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.