Home / 12,953.12-19,446.08-10,788.32

Finding the Fourth Proportional to 12,953.12, 19,446.08 and 10,788.32

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Solution

The fourth proportional to 12,953.12, 19,446.08 and 10,788.32 is: 16,196.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,953.12 : 19,446.08 = 10,788.32 : x
  2. Step 2: Convert to fraction form
    12,953.12/19,446.08 = 10,788.32/x
  3. Step 3: Cross multiply
    12,953.12x = 19,446.08 × 10,788.32
  4. Step 4: Simplify right side
    12,953.12x = 209,790,533.79
  5. Step 5: Solve for x
    x = 209,790,533.79/12,953.12
  6. Step 6: Final answer
    x = 16,196.14

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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.