Home / 14,279.49-19,670.48-12,148.19

Finding the Fourth Proportional to 14,279.49, 19,670.48 and 12,148.19

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Solution

The fourth proportional to 14,279.49, 19,670.48 and 12,148.19 is: 16,734.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.49 : 19,670.48 = 12,148.19 : x
  2. Step 2: Convert to fraction form
    14,279.49/19,670.48 = 12,148.19/x
  3. Step 3: Cross multiply
    14,279.49x = 19,670.48 × 12,148.19
  4. Step 4: Simplify right side
    14,279.49x = 238,960,688.66
  5. Step 5: Solve for x
    x = 238,960,688.66/14,279.49
  6. Step 6: Final answer
    x = 16,734.54

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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.