Home / 14,362.16-21,539.90-5,478.48

Finding the Fourth Proportional to 14,362.16, 21,539.90 and 5,478.48

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Solution

The fourth proportional to 14,362.16, 21,539.90 and 5,478.48 is: 8,216.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,362.16 : 21,539.90 = 5,478.48 : x
  2. Step 2: Convert to fraction form
    14,362.16/21,539.90 = 5,478.48/x
  3. Step 3: Cross multiply
    14,362.16x = 21,539.90 × 5,478.48
  4. Step 4: Simplify right side
    14,362.16x = 118,005,925.05
  5. Step 5: Solve for x
    x = 118,005,925.05/14,362.16
  6. Step 6: Final answer
    x = 8,216.45

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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.