Home / 14,154.51-21,223.53-10,408.53

Finding the Fourth Proportional to 14,154.51, 21,223.53 and 10,408.53

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Solution

The fourth proportional to 14,154.51, 21,223.53 and 10,408.53 is: 15,606.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.51 : 21,223.53 = 10,408.53 : x
  2. Step 2: Convert to fraction form
    14,154.51/21,223.53 = 10,408.53/x
  3. Step 3: Cross multiply
    14,154.51x = 21,223.53 × 10,408.53
  4. Step 4: Simplify right side
    14,154.51x = 220,905,748.71
  5. Step 5: Solve for x
    x = 220,905,748.71/14,154.51
  6. Step 6: Final answer
    x = 15,606.74

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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.