Home / 14,847.18-20,470.23-10,603.32

Finding the Fourth Proportional to 14,847.18, 20,470.23 and 10,603.32

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Solution

The fourth proportional to 14,847.18, 20,470.23 and 10,603.32 is: 14,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,847.18 : 20,470.23 = 10,603.32 : x
  2. Step 2: Convert to fraction form
    14,847.18/20,470.23 = 10,603.32/x
  3. Step 3: Cross multiply
    14,847.18x = 20,470.23 × 10,603.32
  4. Step 4: Simplify right side
    14,847.18x = 217,052,399.16
  5. Step 5: Solve for x
    x = 217,052,399.16/14,847.18
  6. Step 6: Final answer
    x = 14,619.10

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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.