Home / 10,619.80-14,655.34-5,904.08

Finding the Fourth Proportional to 10,619.80, 14,655.34 and 5,904.08

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Solution

The fourth proportional to 10,619.80, 14,655.34 and 5,904.08 is: 8,147.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.80 : 14,655.34 = 5,904.08 : x
  2. Step 2: Convert to fraction form
    10,619.80/14,655.34 = 5,904.08/x
  3. Step 3: Cross multiply
    10,619.80x = 14,655.34 × 5,904.08
  4. Step 4: Simplify right side
    10,619.80x = 86,526,270.27
  5. Step 5: Solve for x
    x = 86,526,270.27/10,619.80
  6. Step 6: Final answer
    x = 8,147.64

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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.