Home / 16,389.12-22,611.67-9,677.01

Finding the Fourth Proportional to 16,389.12, 22,611.67 and 9,677.01

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Solution

The fourth proportional to 16,389.12, 22,611.67 and 9,677.01 is: 13,351.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,389.12 : 22,611.67 = 9,677.01 : x
  2. Step 2: Convert to fraction form
    16,389.12/22,611.67 = 9,677.01/x
  3. Step 3: Cross multiply
    16,389.12x = 22,611.67 × 9,677.01
  4. Step 4: Simplify right side
    16,389.12x = 218,813,356.71
  5. Step 5: Solve for x
    x = 218,813,356.71/16,389.12
  6. Step 6: Final answer
    x = 13,351.14

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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.