Home / 19,296.32-26,628.18-10,913

Finding the Fourth Proportional to 19,296.32, 26,628.18 and 10,913

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Solution

The fourth proportional to 19,296.32, 26,628.18 and 10,913 is: 15,059.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,296.32 : 26,628.18 = 10,913 : x
  2. Step 2: Convert to fraction form
    19,296.32/26,628.18 = 10,913/x
  3. Step 3: Cross multiply
    19,296.32x = 26,628.18 × 10,913
  4. Step 4: Simplify right side
    19,296.32x = 290,593,328.34
  5. Step 5: Solve for x
    x = 290,593,328.34/19,296.32
  6. Step 6: Final answer
    x = 15,059.52

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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.