Home / 9,868.08-14,730.13-8,622.50

Finding the Fourth Proportional to 9,868.08, 14,730.13 and 8,622.50

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Solution

The fourth proportional to 9,868.08, 14,730.13 and 8,622.50 is: 12,870.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,868.08 : 14,730.13 = 8,622.50 : x
  2. Step 2: Convert to fraction form
    9,868.08/14,730.13 = 8,622.50/x
  3. Step 3: Cross multiply
    9,868.08x = 14,730.13 × 8,622.50
  4. Step 4: Simplify right side
    9,868.08x = 127,010,545.93
  5. Step 5: Solve for x
    x = 127,010,545.93/9,868.08
  6. Step 6: Final answer
    x = 12,870.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.