Home / 18,668.42-25,762.95-10,712.06

Finding the Fourth Proportional to 18,668.42, 25,762.95 and 10,712.06

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Solution

The fourth proportional to 18,668.42, 25,762.95 and 10,712.06 is: 14,782.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668.42 : 25,762.95 = 10,712.06 : x
  2. Step 2: Convert to fraction form
    18,668.42/25,762.95 = 10,712.06/x
  3. Step 3: Cross multiply
    18,668.42x = 25,762.95 × 10,712.06
  4. Step 4: Simplify right side
    18,668.42x = 275,974,266.18
  5. Step 5: Solve for x
    x = 275,974,266.18/18,668.42
  6. Step 6: Final answer
    x = 14,782.95

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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.