Home / 9,680.40-14,509.80-4,998.60

Finding the Fourth Proportional to 9,680.40, 14,509.80 and 4,998.60

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Solution

The fourth proportional to 9,680.40, 14,509.80 and 4,998.60 is: 7,492.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,680.40 : 14,509.80 = 4,998.60 : x
  2. Step 2: Convert to fraction form
    9,680.40/14,509.80 = 4,998.60/x
  3. Step 3: Cross multiply
    9,680.40x = 14,509.80 × 4,998.60
  4. Step 4: Simplify right side
    9,680.40x = 72,528,686.28
  5. Step 5: Solve for x
    x = 72,528,686.28/9,680.40
  6. Step 6: Final answer
    x = 7,492.32

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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.