Home / 19,020.88-26,248.89-10,637.38

Finding the Fourth Proportional to 19,020.88, 26,248.89 and 10,637.38

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Solution

The fourth proportional to 19,020.88, 26,248.89 and 10,637.38 is: 14,679.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020.88 : 26,248.89 = 10,637.38 : x
  2. Step 2: Convert to fraction form
    19,020.88/26,248.89 = 10,637.38/x
  3. Step 3: Cross multiply
    19,020.88x = 26,248.89 × 10,637.38
  4. Step 4: Simplify right side
    19,020.88x = 279,219,417.51
  5. Step 5: Solve for x
    x = 279,219,417.51/19,020.88
  6. Step 6: Final answer
    x = 14,679.63

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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.