Home / 14,168.86-21,337.63-12,342.04

Finding the Fourth Proportional to 14,168.86, 21,337.63 and 12,342.04

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Solution

The fourth proportional to 14,168.86, 21,337.63 and 12,342.04 is: 18,586.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168.86 : 21,337.63 = 12,342.04 : x
  2. Step 2: Convert to fraction form
    14,168.86/21,337.63 = 12,342.04/x
  3. Step 3: Cross multiply
    14,168.86x = 21,337.63 × 12,342.04
  4. Step 4: Simplify right side
    14,168.86x = 263,349,798.77
  5. Step 5: Solve for x
    x = 263,349,798.77/14,168.86
  6. Step 6: Final answer
    x = 18,586.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.