Home / 14,349.02-21,460.58-12,778.82

Finding the Fourth Proportional to 14,349.02, 21,460.58 and 12,778.82

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Solution

The fourth proportional to 14,349.02, 21,460.58 and 12,778.82 is: 19,112.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,349.02 : 21,460.58 = 12,778.82 : x
  2. Step 2: Convert to fraction form
    14,349.02/21,460.58 = 12,778.82/x
  3. Step 3: Cross multiply
    14,349.02x = 21,460.58 × 12,778.82
  4. Step 4: Simplify right side
    14,349.02x = 274,240,781.61
  5. Step 5: Solve for x
    x = 274,240,781.61/14,349.02
  6. Step 6: Final answer
    x = 19,112.16

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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.