Home / 14,184.12-21,280.54-7,263.48

Finding the Fourth Proportional to 14,184.12, 21,280.54 and 7,263.48

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Solution

The fourth proportional to 14,184.12, 21,280.54 and 7,263.48 is: 10,897.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.12 : 21,280.54 = 7,263.48 : x
  2. Step 2: Convert to fraction form
    14,184.12/21,280.54 = 7,263.48/x
  3. Step 3: Cross multiply
    14,184.12x = 21,280.54 × 7,263.48
  4. Step 4: Simplify right side
    14,184.12x = 154,570,776.68
  5. Step 5: Solve for x
    x = 154,570,776.68/14,184.12
  6. Step 6: Final answer
    x = 10,897.45

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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.