Home / 10,684.32-14,737.50-7,099.20

Finding the Fourth Proportional to 10,684.32, 14,737.50 and 7,099.20

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Solution

The fourth proportional to 10,684.32, 14,737.50 and 7,099.20 is: 9,792.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,684.32 : 14,737.50 = 7,099.20 : x
  2. Step 2: Convert to fraction form
    10,684.32/14,737.50 = 7,099.20/x
  3. Step 3: Cross multiply
    10,684.32x = 14,737.50 × 7,099.20
  4. Step 4: Simplify right side
    10,684.32x = 104,624,460
  5. Step 5: Solve for x
    x = 104,624,460/10,684.32
  6. Step 6: Final answer
    x = 9,792.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.