Home / 13,959.08-19,263.60-7,585.72

Finding the Fourth Proportional to 13,959.08, 19,263.60 and 7,585.72

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Solution

The fourth proportional to 13,959.08, 19,263.60 and 7,585.72 is: 10,468.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,959.08 : 19,263.60 = 7,585.72 : x
  2. Step 2: Convert to fraction form
    13,959.08/19,263.60 = 7,585.72/x
  3. Step 3: Cross multiply
    13,959.08x = 19,263.60 × 7,585.72
  4. Step 4: Simplify right side
    13,959.08x = 146,128,227.63
  5. Step 5: Solve for x
    x = 146,128,227.63/13,959.08
  6. Step 6: Final answer
    x = 10,468.33

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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.