Home / 13,036.29-17,977.12-9,813.83

Finding the Fourth Proportional to 13,036.29, 17,977.12 and 9,813.83

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Solution

The fourth proportional to 13,036.29, 17,977.12 and 9,813.83 is: 13,533.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,036.29 : 17,977.12 = 9,813.83 : x
  2. Step 2: Convert to fraction form
    13,036.29/17,977.12 = 9,813.83/x
  3. Step 3: Cross multiply
    13,036.29x = 17,977.12 × 9,813.83
  4. Step 4: Simplify right side
    13,036.29x = 176,424,285.15
  5. Step 5: Solve for x
    x = 176,424,285.15/13,036.29
  6. Step 6: Final answer
    x = 13,533.32

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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.