Home / 13,283.65-19,899.55-10,348.21

Finding the Fourth Proportional to 13,283.65, 19,899.55 and 10,348.21

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Solution

The fourth proportional to 13,283.65, 19,899.55 and 10,348.21 is: 15,502.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283.65 : 19,899.55 = 10,348.21 : x
  2. Step 2: Convert to fraction form
    13,283.65/19,899.55 = 10,348.21/x
  3. Step 3: Cross multiply
    13,283.65x = 19,899.55 × 10,348.21
  4. Step 4: Simplify right side
    13,283.65x = 205,924,571.07
  5. Step 5: Solve for x
    x = 205,924,571.07/13,283.65
  6. Step 6: Final answer
    x = 15,502.11

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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.