Home / 14,682.40-20,271.47-8,715.98

Finding the Fourth Proportional to 14,682.40, 20,271.47 and 8,715.98

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Solution

The fourth proportional to 14,682.40, 20,271.47 and 8,715.98 is: 12,033.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,682.40 : 20,271.47 = 8,715.98 : x
  2. Step 2: Convert to fraction form
    14,682.40/20,271.47 = 8,715.98/x
  3. Step 3: Cross multiply
    14,682.40x = 20,271.47 × 8,715.98
  4. Step 4: Simplify right side
    14,682.40x = 176,685,734.19
  5. Step 5: Solve for x
    x = 176,685,734.19/14,682.40
  6. Step 6: Final answer
    x = 12,033.85

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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.