Home / 14,440.47-19,924.98-8,151.63

Finding the Fourth Proportional to 14,440.47, 19,924.98 and 8,151.63

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Solution

The fourth proportional to 14,440.47, 19,924.98 and 8,151.63 is: 11,247.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.47 : 19,924.98 = 8,151.63 : x
  2. Step 2: Convert to fraction form
    14,440.47/19,924.98 = 8,151.63/x
  3. Step 3: Cross multiply
    14,440.47x = 19,924.98 × 8,151.63
  4. Step 4: Simplify right side
    14,440.47x = 162,421,064.72
  5. Step 5: Solve for x
    x = 162,421,064.72/14,440.47
  6. Step 6: Final answer
    x = 11,247.63

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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.