Home / 21,075.94-31,613.86-6,284.49

Finding the Fourth Proportional to 21,075.94, 31,613.86 and 6,284.49

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Solution

The fourth proportional to 21,075.94, 31,613.86 and 6,284.49 is: 9,426.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,075.94 : 31,613.86 = 6,284.49 : x
  2. Step 2: Convert to fraction form
    21,075.94/31,613.86 = 6,284.49/x
  3. Step 3: Cross multiply
    21,075.94x = 31,613.86 × 6,284.49
  4. Step 4: Simplify right side
    21,075.94x = 198,676,987.03
  5. Step 5: Solve for x
    x = 198,676,987.03/21,075.94
  6. Step 6: Final answer
    x = 9,426.72

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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.