Home / 19,660.23-27,130.95-10,707.57

Finding the Fourth Proportional to 19,660.23, 27,130.95 and 10,707.57

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Solution

The fourth proportional to 19,660.23, 27,130.95 and 10,707.57 is: 14,776.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.23 : 27,130.95 = 10,707.57 : x
  2. Step 2: Convert to fraction form
    19,660.23/27,130.95 = 10,707.57/x
  3. Step 3: Cross multiply
    19,660.23x = 27,130.95 × 10,707.57
  4. Step 4: Simplify right side
    19,660.23x = 290,506,546.29
  5. Step 5: Solve for x
    x = 290,506,546.29/19,660.23
  6. Step 6: Final answer
    x = 14,776.36

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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.