Home / 19,717.40-29,551.47-9,859.49

Finding the Fourth Proportional to 19,717.40, 29,551.47 and 9,859.49

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Solution

The fourth proportional to 19,717.40, 29,551.47 and 9,859.49 is: 14,776.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,717.40 : 29,551.47 = 9,859.49 : x
  2. Step 2: Convert to fraction form
    19,717.40/29,551.47 = 9,859.49/x
  3. Step 3: Cross multiply
    19,717.40x = 29,551.47 × 9,859.49
  4. Step 4: Simplify right side
    19,717.40x = 291,362,275.19
  5. Step 5: Solve for x
    x = 291,362,275.19/19,717.40
  6. Step 6: Final answer
    x = 14,776.92

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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.