Home / 13,045.36-19,564.08-8,686.12

Finding the Fourth Proportional to 13,045.36, 19,564.08 and 8,686.12

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Solution

The fourth proportional to 13,045.36, 19,564.08 and 8,686.12 is: 13,026.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.36 : 19,564.08 = 8,686.12 : x
  2. Step 2: Convert to fraction form
    13,045.36/19,564.08 = 8,686.12/x
  3. Step 3: Cross multiply
    13,045.36x = 19,564.08 × 8,686.12
  4. Step 4: Simplify right side
    13,045.36x = 169,935,946.57
  5. Step 5: Solve for x
    x = 169,935,946.57/13,045.36
  6. Step 6: Final answer
    x = 13,026.54

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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.