Home / 10,315.95-14,235.92-5,600.23

Finding the Fourth Proportional to 10,315.95, 14,235.92 and 5,600.23

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Solution

The fourth proportional to 10,315.95, 14,235.92 and 5,600.23 is: 7,728.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.95 : 14,235.92 = 5,600.23 : x
  2. Step 2: Convert to fraction form
    10,315.95/14,235.92 = 5,600.23/x
  3. Step 3: Cross multiply
    10,315.95x = 14,235.92 × 5,600.23
  4. Step 4: Simplify right side
    10,315.95x = 79,724,426.26
  5. Step 5: Solve for x
    x = 79,724,426.26/10,315.95
  6. Step 6: Final answer
    x = 7,728.27

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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.