Home / 13,715.04-20,573.28-4,355.79

Finding the Fourth Proportional to 13,715.04, 20,573.28 and 4,355.79

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Solution

The fourth proportional to 13,715.04, 20,573.28 and 4,355.79 is: 6,533.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,715.04 : 20,573.28 = 4,355.79 : x
  2. Step 2: Convert to fraction form
    13,715.04/20,573.28 = 4,355.79/x
  3. Step 3: Cross multiply
    13,715.04x = 20,573.28 × 4,355.79
  4. Step 4: Simplify right side
    13,715.04x = 89,612,887.29
  5. Step 5: Solve for x
    x = 89,612,887.29/13,715.04
  6. Step 6: Final answer
    x = 6,533.91

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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.