Home / 19,347.71-26,690.01-12,637.27

Finding the Fourth Proportional to 19,347.71, 26,690.01 and 12,637.27

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Solution

The fourth proportional to 19,347.71, 26,690.01 and 12,637.27 is: 17,433.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,347.71 : 26,690.01 = 12,637.27 : x
  2. Step 2: Convert to fraction form
    19,347.71/26,690.01 = 12,637.27/x
  3. Step 3: Cross multiply
    19,347.71x = 26,690.01 × 12,637.27
  4. Step 4: Simplify right side
    19,347.71x = 337,288,862.67
  5. Step 5: Solve for x
    x = 337,288,862.67/19,347.71
  6. Step 6: Final answer
    x = 17,433.01

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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.