Home / 18,666.02-25,736.36-13,005.74

Finding the Fourth Proportional to 18,666.02, 25,736.36 and 13,005.74

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Solution

The fourth proportional to 18,666.02, 25,736.36 and 13,005.74 is: 17,932.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,666.02 : 25,736.36 = 13,005.74 : x
  2. Step 2: Convert to fraction form
    18,666.02/25,736.36 = 13,005.74/x
  3. Step 3: Cross multiply
    18,666.02x = 25,736.36 × 13,005.74
  4. Step 4: Simplify right side
    18,666.02x = 334,720,406.71
  5. Step 5: Solve for x
    x = 334,720,406.71/18,666.02
  6. Step 6: Final answer
    x = 17,932.07

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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.