Home / 10,639.11-14,683.75-6,165.58

Finding the Fourth Proportional to 10,639.11, 14,683.75 and 6,165.58

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Solution

The fourth proportional to 10,639.11, 14,683.75 and 6,165.58 is: 8,509.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.11 : 14,683.75 = 6,165.58 : x
  2. Step 2: Convert to fraction form
    10,639.11/14,683.75 = 6,165.58/x
  3. Step 3: Cross multiply
    10,639.11x = 14,683.75 × 6,165.58
  4. Step 4: Simplify right side
    10,639.11x = 90,533,804.50
  5. Step 5: Solve for x
    x = 90,533,804.50/10,639.11
  6. Step 6: Final answer
    x = 8,509.53

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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.