Home / 10,315.75-14,235.76-5,600.03

Finding the Fourth Proportional to 10,315.75, 14,235.76 and 5,600.03

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Solution

The fourth proportional to 10,315.75, 14,235.76 and 5,600.03 is: 7,728.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.75 : 14,235.76 = 5,600.03 : x
  2. Step 2: Convert to fraction form
    10,315.75/14,235.76 = 5,600.03/x
  3. Step 3: Cross multiply
    10,315.75x = 14,235.76 × 5,600.03
  4. Step 4: Simplify right side
    10,315.75x = 79,720,683.07
  5. Step 5: Solve for x
    x = 79,720,683.07/10,315.75
  6. Step 6: Final answer
    x = 7,728.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.