Home / 14,089.95-21,106.17-6,671.87

Finding the Fourth Proportional to 14,089.95, 21,106.17 and 6,671.87

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Solution

The fourth proportional to 14,089.95, 21,106.17 and 6,671.87 is: 9,994.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.95 : 21,106.17 = 6,671.87 : x
  2. Step 2: Convert to fraction form
    14,089.95/21,106.17 = 6,671.87/x
  3. Step 3: Cross multiply
    14,089.95x = 21,106.17 × 6,671.87
  4. Step 4: Simplify right side
    14,089.95x = 140,817,596.06
  5. Step 5: Solve for x
    x = 140,817,596.06/14,089.95
  6. Step 6: Final answer
    x = 9,994.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.