Home / 13,454-18,566.52-7,866.08

Finding the Fourth Proportional to 13,454, 18,566.52 and 7,866.08

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Solution

The fourth proportional to 13,454, 18,566.52 and 7,866.08 is: 10,855.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454 : 18,566.52 = 7,866.08 : x
  2. Step 2: Convert to fraction form
    13,454/18,566.52 = 7,866.08/x
  3. Step 3: Cross multiply
    13,454x = 18,566.52 × 7,866.08
  4. Step 4: Simplify right side
    13,454x = 146,045,731.64
  5. Step 5: Solve for x
    x = 146,045,731.64/13,454
  6. Step 6: Final answer
    x = 10,855.19

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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.