Home / 14,642.81-20,197.99-10,810.53

Finding the Fourth Proportional to 14,642.81, 20,197.99 and 10,810.53

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Solution

The fourth proportional to 14,642.81, 20,197.99 and 10,810.53 is: 14,911.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,642.81 : 20,197.99 = 10,810.53 : x
  2. Step 2: Convert to fraction form
    14,642.81/20,197.99 = 10,810.53/x
  3. Step 3: Cross multiply
    14,642.81x = 20,197.99 × 10,810.53
  4. Step 4: Simplify right side
    14,642.81x = 218,350,990.35
  5. Step 5: Solve for x
    x = 218,350,990.35/14,642.81
  6. Step 6: Final answer
    x = 14,911.82

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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.