Home / 14,129.28-19,483.20-8,822.16

Finding the Fourth Proportional to 14,129.28, 19,483.20 and 8,822.16

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Solution

The fourth proportional to 14,129.28, 19,483.20 and 8,822.16 is: 12,165.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.28 : 19,483.20 = 8,822.16 : x
  2. Step 2: Convert to fraction form
    14,129.28/19,483.20 = 8,822.16/x
  3. Step 3: Cross multiply
    14,129.28x = 19,483.20 × 8,822.16
  4. Step 4: Simplify right side
    14,129.28x = 171,883,907.71
  5. Step 5: Solve for x
    x = 171,883,907.71/14,129.28
  6. Step 6: Final answer
    x = 12,165.09

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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.