Home / 14,160.06-21,210.93-8,302.55

Finding the Fourth Proportional to 14,160.06, 21,210.93 and 8,302.55

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Solution

The fourth proportional to 14,160.06, 21,210.93 and 8,302.55 is: 12,436.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.06 : 21,210.93 = 8,302.55 : x
  2. Step 2: Convert to fraction form
    14,160.06/21,210.93 = 8,302.55/x
  3. Step 3: Cross multiply
    14,160.06x = 21,210.93 × 8,302.55
  4. Step 4: Simplify right side
    14,160.06x = 176,104,753.84
  5. Step 5: Solve for x
    x = 176,104,753.84/14,160.06
  6. Step 6: Final answer
    x = 12,436.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.