Home / 14,389.97-21,584.95-6,988.08

Finding the Fourth Proportional to 14,389.97, 21,584.95 and 6,988.08

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Solution

The fourth proportional to 14,389.97, 21,584.95 and 6,988.08 is: 10,482.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.97 : 21,584.95 = 6,988.08 : x
  2. Step 2: Convert to fraction form
    14,389.97/21,584.95 = 6,988.08/x
  3. Step 3: Cross multiply
    14,389.97x = 21,584.95 × 6,988.08
  4. Step 4: Simplify right side
    14,389.97x = 150,837,322.46
  5. Step 5: Solve for x
    x = 150,837,322.46/14,389.97
  6. Step 6: Final answer
    x = 10,482.12

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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.