Home / 14,402.07-19,870.29-11,367.61

Finding the Fourth Proportional to 14,402.07, 19,870.29 and 11,367.61

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Solution

The fourth proportional to 14,402.07, 19,870.29 and 11,367.61 is: 15,683.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,402.07 : 19,870.29 = 11,367.61 : x
  2. Step 2: Convert to fraction form
    14,402.07/19,870.29 = 11,367.61/x
  3. Step 3: Cross multiply
    14,402.07x = 19,870.29 × 11,367.61
  4. Step 4: Simplify right side
    14,402.07x = 225,877,657.63
  5. Step 5: Solve for x
    x = 225,877,657.63/14,402.07
  6. Step 6: Final answer
    x = 15,683.69

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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.