Home / 14,389.83-19,856.53-10,615.04

Finding the Fourth Proportional to 14,389.83, 19,856.53 and 10,615.04

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Solution

The fourth proportional to 14,389.83, 19,856.53 and 10,615.04 is: 14,647.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.83 : 19,856.53 = 10,615.04 : x
  2. Step 2: Convert to fraction form
    14,389.83/19,856.53 = 10,615.04/x
  3. Step 3: Cross multiply
    14,389.83x = 19,856.53 × 10,615.04
  4. Step 4: Simplify right side
    14,389.83x = 210,777,860.21
  5. Step 5: Solve for x
    x = 210,777,860.21/14,389.83
  6. Step 6: Final answer
    x = 14,647.70

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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.