Home / 19,346.36-26,688.13-12,635.91

Finding the Fourth Proportional to 19,346.36, 26,688.13 and 12,635.91

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Solution

The fourth proportional to 19,346.36, 26,688.13 and 12,635.91 is: 17,431.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.36 : 26,688.13 = 12,635.91 : x
  2. Step 2: Convert to fraction form
    19,346.36/26,688.13 = 12,635.91/x
  3. Step 3: Cross multiply
    19,346.36x = 26,688.13 × 12,635.91
  4. Step 4: Simplify right side
    19,346.36x = 337,228,777.16
  5. Step 5: Solve for x
    x = 337,228,777.16/19,346.36
  6. Step 6: Final answer
    x = 17,431.13

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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.