Home / 14,307.90-21,460.68-4,820.28

Finding the Fourth Proportional to 14,307.90, 21,460.68 and 4,820.28

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Solution

The fourth proportional to 14,307.90, 21,460.68 and 4,820.28 is: 7,230.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307.90 : 21,460.68 = 4,820.28 : x
  2. Step 2: Convert to fraction form
    14,307.90/21,460.68 = 4,820.28/x
  3. Step 3: Cross multiply
    14,307.90x = 21,460.68 × 4,820.28
  4. Step 4: Simplify right side
    14,307.90x = 103,446,486.59
  5. Step 5: Solve for x
    x = 103,446,486.59/14,307.90
  6. Step 6: Final answer
    x = 7,230.03

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1.5x scale

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.