Home / 15,548.64-21,457.35-9,576.92

Finding the Fourth Proportional to 15,548.64, 21,457.35 and 9,576.92

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Solution

The fourth proportional to 15,548.64, 21,457.35 and 9,576.92 is: 13,216.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,548.64 : 21,457.35 = 9,576.92 : x
  2. Step 2: Convert to fraction form
    15,548.64/21,457.35 = 9,576.92/x
  3. Step 3: Cross multiply
    15,548.64x = 21,457.35 × 9,576.92
  4. Step 4: Simplify right side
    15,548.64x = 205,495,217.08
  5. Step 5: Solve for x
    x = 205,495,217.08/15,548.64
  6. Step 6: Final answer
    x = 13,216.28

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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.