Home / 19,210.20-28,818.72-6,559.28

Finding the Fourth Proportional to 19,210.20, 28,818.72 and 6,559.28

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Solution

The fourth proportional to 19,210.20, 28,818.72 and 6,559.28 is: 9,840.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210.20 : 28,818.72 = 6,559.28 : x
  2. Step 2: Convert to fraction form
    19,210.20/28,818.72 = 6,559.28/x
  3. Step 3: Cross multiply
    19,210.20x = 28,818.72 × 6,559.28
  4. Step 4: Simplify right side
    19,210.20x = 189,030,053.72
  5. Step 5: Solve for x
    x = 189,030,053.72/19,210.20
  6. Step 6: Final answer
    x = 9,840.09

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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.