Home / 14,290.55-19,700.67-10,507.04

Finding the Fourth Proportional to 14,290.55, 19,700.67 and 10,507.04

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Solution

The fourth proportional to 14,290.55, 19,700.67 and 10,507.04 is: 14,484.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.55 : 19,700.67 = 10,507.04 : x
  2. Step 2: Convert to fraction form
    14,290.55/19,700.67 = 10,507.04/x
  3. Step 3: Cross multiply
    14,290.55x = 19,700.67 × 10,507.04
  4. Step 4: Simplify right side
    14,290.55x = 206,995,727.72
  5. Step 5: Solve for x
    x = 206,995,727.72/14,290.55
  6. Step 6: Final answer
    x = 14,484.80

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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.