Home / 15,056.32-20,779.26-8,683.16

Finding the Fourth Proportional to 15,056.32, 20,779.26 and 8,683.16

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Solution

The fourth proportional to 15,056.32, 20,779.26 and 8,683.16 is: 11,983.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,056.32 : 20,779.26 = 8,683.16 : x
  2. Step 2: Convert to fraction form
    15,056.32/20,779.26 = 8,683.16/x
  3. Step 3: Cross multiply
    15,056.32x = 20,779.26 × 8,683.16
  4. Step 4: Simplify right side
    15,056.32x = 180,429,639.26
  5. Step 5: Solve for x
    x = 180,429,639.26/15,056.32
  6. Step 6: Final answer
    x = 11,983.65

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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.