Home / 21,347.53-29,462.18-12,395.03

Finding the Fourth Proportional to 21,347.53, 29,462.18 and 12,395.03

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Solution

The fourth proportional to 21,347.53, 29,462.18 and 12,395.03 is: 17,106.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,347.53 : 29,462.18 = 12,395.03 : x
  2. Step 2: Convert to fraction form
    21,347.53/29,462.18 = 12,395.03/x
  3. Step 3: Cross multiply
    21,347.53x = 29,462.18 × 12,395.03
  4. Step 4: Simplify right side
    21,347.53x = 365,184,395.68
  5. Step 5: Solve for x
    x = 365,184,395.68/21,347.53
  6. Step 6: Final answer
    x = 17,106.64

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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.