Home / 21,075.59-31,613.07-6,284.57

Finding the Fourth Proportional to 21,075.59, 31,613.07 and 6,284.57

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Solution

The fourth proportional to 21,075.59, 31,613.07 and 6,284.57 is: 9,426.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,075.59 : 31,613.07 = 6,284.57 : x
  2. Step 2: Convert to fraction form
    21,075.59/31,613.07 = 6,284.57/x
  3. Step 3: Cross multiply
    21,075.59x = 31,613.07 × 6,284.57
  4. Step 4: Simplify right side
    21,075.59x = 198,674,551.33
  5. Step 5: Solve for x
    x = 198,674,551.33/21,075.59
  6. Step 6: Final answer
    x = 9,426.76

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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.