Home / 10,657.19-14,726.48-10,145.07

Finding the Fourth Proportional to 10,657.19, 14,726.48 and 10,145.07

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Solution

The fourth proportional to 10,657.19, 14,726.48 and 10,145.07 is: 14,018.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657.19 : 14,726.48 = 10,145.07 : x
  2. Step 2: Convert to fraction form
    10,657.19/14,726.48 = 10,145.07/x
  3. Step 3: Cross multiply
    10,657.19x = 14,726.48 × 10,145.07
  4. Step 4: Simplify right side
    10,657.19x = 149,401,119.73
  5. Step 5: Solve for x
    x = 149,401,119.73/10,657.19
  6. Step 6: Final answer
    x = 14,018.81

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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.