Home / 19,064.09-28,614.60-9,210.30

Finding the Fourth Proportional to 19,064.09, 28,614.60 and 9,210.30

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Solution

The fourth proportional to 19,064.09, 28,614.60 and 9,210.30 is: 13,824.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,064.09 : 28,614.60 = 9,210.30 : x
  2. Step 2: Convert to fraction form
    19,064.09/28,614.60 = 9,210.30/x
  3. Step 3: Cross multiply
    19,064.09x = 28,614.60 × 9,210.30
  4. Step 4: Simplify right side
    19,064.09x = 263,549,050.38
  5. Step 5: Solve for x
    x = 263,549,050.38/19,064.09
  6. Step 6: Final answer
    x = 13,824.37

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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.