Home / 14,587.42-20,130.35-8,541.23

Finding the Fourth Proportional to 14,587.42, 20,130.35 and 8,541.23

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Solution

The fourth proportional to 14,587.42, 20,130.35 and 8,541.23 is: 11,786.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,587.42 : 20,130.35 = 8,541.23 : x
  2. Step 2: Convert to fraction form
    14,587.42/20,130.35 = 8,541.23/x
  3. Step 3: Cross multiply
    14,587.42x = 20,130.35 × 8,541.23
  4. Step 4: Simplify right side
    14,587.42x = 171,937,805.97
  5. Step 5: Solve for x
    x = 171,937,805.97/14,587.42
  6. Step 6: Final answer
    x = 11,786.72

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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.