Home / 14,523.07-21,784.61-7,125.81

Finding the Fourth Proportional to 14,523.07, 21,784.61 and 7,125.81

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Solution

The fourth proportional to 14,523.07, 21,784.61 and 7,125.81 is: 10,688.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,523.07 : 21,784.61 = 7,125.81 : x
  2. Step 2: Convert to fraction form
    14,523.07/21,784.61 = 7,125.81/x
  3. Step 3: Cross multiply
    14,523.07x = 21,784.61 × 7,125.81
  4. Step 4: Simplify right side
    14,523.07x = 155,232,991.78
  5. Step 5: Solve for x
    x = 155,232,991.78/14,523.07
  6. Step 6: Final answer
    x = 10,688.72

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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.