Home / 14,327.10-21,490.65-12,869.10

Finding the Fourth Proportional to 14,327.10, 21,490.65 and 12,869.10

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Solution

The fourth proportional to 14,327.10, 21,490.65 and 12,869.10 is: 19,303.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,327.10 : 21,490.65 = 12,869.10 : x
  2. Step 2: Convert to fraction form
    14,327.10/21,490.65 = 12,869.10/x
  3. Step 3: Cross multiply
    14,327.10x = 21,490.65 × 12,869.10
  4. Step 4: Simplify right side
    14,327.10x = 276,565,323.92
  5. Step 5: Solve for x
    x = 276,565,323.92/14,327.10
  6. Step 6: Final answer
    x = 19,303.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.