Home / 19,215.36-26,509.14-12,498.84

Finding the Fourth Proportional to 19,215.36, 26,509.14 and 12,498.84

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Solution

The fourth proportional to 19,215.36, 26,509.14 and 12,498.84 is: 17,243.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215.36 : 26,509.14 = 12,498.84 : x
  2. Step 2: Convert to fraction form
    19,215.36/26,509.14 = 12,498.84/x
  3. Step 3: Cross multiply
    19,215.36x = 26,509.14 × 12,498.84
  4. Step 4: Simplify right side
    19,215.36x = 331,333,499.40
  5. Step 5: Solve for x
    x = 331,333,499.40/19,215.36
  6. Step 6: Final answer
    x = 17,243.16

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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.