Home / 14,242.93-19,660.69-12,748.17

Finding the Fourth Proportional to 14,242.93, 19,660.69 and 12,748.17

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Solution

The fourth proportional to 14,242.93, 19,660.69 and 12,748.17 is: 17,597.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.93 : 19,660.69 = 12,748.17 : x
  2. Step 2: Convert to fraction form
    14,242.93/19,660.69 = 12,748.17/x
  3. Step 3: Cross multiply
    14,242.93x = 19,660.69 × 12,748.17
  4. Step 4: Simplify right side
    14,242.93x = 250,637,818.44
  5. Step 5: Solve for x
    x = 250,637,818.44/14,242.93
  6. Step 6: Final answer
    x = 17,597.35

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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.