Home / 18,328.08-25,291.36-10,774.72

Finding the Fourth Proportional to 18,328.08, 25,291.36 and 10,774.72

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Solution

The fourth proportional to 18,328.08, 25,291.36 and 10,774.72 is: 14,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.08 : 25,291.36 = 10,774.72 : x
  2. Step 2: Convert to fraction form
    18,328.08/25,291.36 = 10,774.72/x
  3. Step 3: Cross multiply
    18,328.08x = 25,291.36 × 10,774.72
  4. Step 4: Simplify right side
    18,328.08x = 272,507,322.42
  5. Step 5: Solve for x
    x = 272,507,322.42/18,328.08
  6. Step 6: Final answer
    x = 14,868.30

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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.