Home / 14,151.02-19,483.80-12,838.82

Finding the Fourth Proportional to 14,151.02, 19,483.80 and 12,838.82

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Solution

The fourth proportional to 14,151.02, 19,483.80 and 12,838.82 is: 17,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.02 : 19,483.80 = 12,838.82 : x
  2. Step 2: Convert to fraction form
    14,151.02/19,483.80 = 12,838.82/x
  3. Step 3: Cross multiply
    14,151.02x = 19,483.80 × 12,838.82
  4. Step 4: Simplify right side
    14,151.02x = 250,149,001.12
  5. Step 5: Solve for x
    x = 250,149,001.12/14,151.02
  6. Step 6: Final answer
    x = 17,677.10

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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.