Home / 14,807.32-20,432.12-9,509.31

Finding the Fourth Proportional to 14,807.32, 20,432.12 and 9,509.31

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Solution

The fourth proportional to 14,807.32, 20,432.12 and 9,509.31 is: 13,121.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,807.32 : 20,432.12 = 9,509.31 : x
  2. Step 2: Convert to fraction form
    14,807.32/20,432.12 = 9,509.31/x
  3. Step 3: Cross multiply
    14,807.32x = 20,432.12 × 9,509.31
  4. Step 4: Simplify right side
    14,807.32x = 194,295,363.04
  5. Step 5: Solve for x
    x = 194,295,363.04/14,807.32
  6. Step 6: Final answer
    x = 13,121.58

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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.