Home / 10,620.28-14,655.63-5,904.46

Finding the Fourth Proportional to 10,620.28, 14,655.63 and 5,904.46

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Solution

The fourth proportional to 10,620.28, 14,655.63 and 5,904.46 is: 8,147.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.28 : 14,655.63 = 5,904.46 : x
  2. Step 2: Convert to fraction form
    10,620.28/14,655.63 = 5,904.46/x
  3. Step 3: Cross multiply
    10,620.28x = 14,655.63 × 5,904.46
  4. Step 4: Simplify right side
    10,620.28x = 86,533,581.11
  5. Step 5: Solve for x
    x = 86,533,581.11/10,620.28
  6. Step 6: Final answer
    x = 8,147.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.