Home / 14,686.34-20,267.49-8,718.03

Finding the Fourth Proportional to 14,686.34, 20,267.49 and 8,718.03

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Solution

The fourth proportional to 14,686.34, 20,267.49 and 8,718.03 is: 12,031.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,686.34 : 20,267.49 = 8,718.03 : x
  2. Step 2: Convert to fraction form
    14,686.34/20,267.49 = 8,718.03/x
  3. Step 3: Cross multiply
    14,686.34x = 20,267.49 × 8,718.03
  4. Step 4: Simplify right side
    14,686.34x = 176,692,594.02
  5. Step 5: Solve for x
    x = 176,692,594.02/14,686.34
  6. Step 6: Final answer
    x = 12,031.09

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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.