Home / 14,085.87-19,417.80-10,722.83

Finding the Fourth Proportional to 14,085.87, 19,417.80 and 10,722.83

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Solution

The fourth proportional to 14,085.87, 19,417.80 and 10,722.83 is: 14,781.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,085.87 : 19,417.80 = 10,722.83 : x
  2. Step 2: Convert to fraction form
    14,085.87/19,417.80 = 10,722.83/x
  3. Step 3: Cross multiply
    14,085.87x = 19,417.80 × 10,722.83
  4. Step 4: Simplify right side
    14,085.87x = 208,213,671.29
  5. Step 5: Solve for x
    x = 208,213,671.29/14,085.87
  6. Step 6: Final answer
    x = 14,781.74

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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.