Home / 14,124.90-21,211.65-9,216.30

Finding the Fourth Proportional to 14,124.90, 21,211.65 and 9,216.30

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Solution

The fourth proportional to 14,124.90, 21,211.65 and 9,216.30 is: 13,840.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.90 : 21,211.65 = 9,216.30 : x
  2. Step 2: Convert to fraction form
    14,124.90/21,211.65 = 9,216.30/x
  3. Step 3: Cross multiply
    14,124.90x = 21,211.65 × 9,216.30
  4. Step 4: Simplify right side
    14,124.90x = 195,492,929.90
  5. Step 5: Solve for x
    x = 195,492,929.90/14,124.90
  6. Step 6: Final answer
    x = 13,840.31

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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.