Home / 18,643.08-25,726.68-10,259.04

Finding the Fourth Proportional to 18,643.08, 25,726.68 and 10,259.04

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Solution

The fourth proportional to 18,643.08, 25,726.68 and 10,259.04 is: 14,157.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,643.08 : 25,726.68 = 10,259.04 : x
  2. Step 2: Convert to fraction form
    18,643.08/25,726.68 = 10,259.04/x
  3. Step 3: Cross multiply
    18,643.08x = 25,726.68 × 10,259.04
  4. Step 4: Simplify right side
    18,643.08x = 263,931,039.19
  5. Step 5: Solve for x
    x = 263,931,039.19/18,643.08
  6. Step 6: Final answer
    x = 14,157.05

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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.