Home / 13,125.08-19,683.02-4,357.64

Finding the Fourth Proportional to 13,125.08, 19,683.02 and 4,357.64

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Solution

The fourth proportional to 13,125.08, 19,683.02 and 4,357.64 is: 6,534.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.08 : 19,683.02 = 4,357.64 : x
  2. Step 2: Convert to fraction form
    13,125.08/19,683.02 = 4,357.64/x
  3. Step 3: Cross multiply
    13,125.08x = 19,683.02 × 4,357.64
  4. Step 4: Simplify right side
    13,125.08x = 85,771,515.27
  5. Step 5: Solve for x
    x = 85,771,515.27/13,125.08
  6. Step 6: Final answer
    x = 6,534.93

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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.