Home / 18,667.89-25,762.23-10,711.53

Finding the Fourth Proportional to 18,667.89, 25,762.23 and 10,711.53

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Solution

The fourth proportional to 18,667.89, 25,762.23 and 10,711.53 is: 14,782.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667.89 : 25,762.23 = 10,711.53 : x
  2. Step 2: Convert to fraction form
    18,667.89/25,762.23 = 10,711.53/x
  3. Step 3: Cross multiply
    18,667.89x = 25,762.23 × 10,711.53
  4. Step 4: Simplify right side
    18,667.89x = 275,952,899.51
  5. Step 5: Solve for x
    x = 275,952,899.51/18,667.89
  6. Step 6: Final answer
    x = 14,782.22

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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.