Home / 14,317.68-19,758.90-8,348.40

Finding the Fourth Proportional to 14,317.68, 19,758.90 and 8,348.40

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Solution

The fourth proportional to 14,317.68, 19,758.90 and 8,348.40 is: 11,521.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,317.68 : 19,758.90 = 8,348.40 : x
  2. Step 2: Convert to fraction form
    14,317.68/19,758.90 = 8,348.40/x
  3. Step 3: Cross multiply
    14,317.68x = 19,758.90 × 8,348.40
  4. Step 4: Simplify right side
    14,317.68x = 164,955,200.76
  5. Step 5: Solve for x
    x = 164,955,200.76/14,317.68
  6. Step 6: Final answer
    x = 11,521.08

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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.