Home / 19,055.57-28,566.32-9,690.35

Finding the Fourth Proportional to 19,055.57, 28,566.32 and 9,690.35

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Solution

The fourth proportional to 19,055.57, 28,566.32 and 9,690.35 is: 14,526.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,055.57 : 28,566.32 = 9,690.35 : x
  2. Step 2: Convert to fraction form
    19,055.57/28,566.32 = 9,690.35/x
  3. Step 3: Cross multiply
    19,055.57x = 28,566.32 × 9,690.35
  4. Step 4: Simplify right side
    19,055.57x = 276,817,447.73
  5. Step 5: Solve for x
    x = 276,817,447.73/19,055.57
  6. Step 6: Final answer
    x = 14,526.86

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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.