Home / 15,816.52-23,715.81-6,445.57

Finding the Fourth Proportional to 15,816.52, 23,715.81 and 6,445.57

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Solution

The fourth proportional to 15,816.52, 23,715.81 and 6,445.57 is: 9,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,816.52 : 23,715.81 = 6,445.57 : x
  2. Step 2: Convert to fraction form
    15,816.52/23,715.81 = 6,445.57/x
  3. Step 3: Cross multiply
    15,816.52x = 23,715.81 × 6,445.57
  4. Step 4: Simplify right side
    15,816.52x = 152,861,881.23
  5. Step 5: Solve for x
    x = 152,861,881.23/15,816.52
  6. Step 6: Final answer
    x = 9,664.70

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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.