Home / 13,528.84-18,675.54-8,225.35

Finding the Fourth Proportional to 13,528.84, 18,675.54 and 8,225.35

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Solution

The fourth proportional to 13,528.84, 18,675.54 and 8,225.35 is: 11,354.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.84 : 18,675.54 = 8,225.35 : x
  2. Step 2: Convert to fraction form
    13,528.84/18,675.54 = 8,225.35/x
  3. Step 3: Cross multiply
    13,528.84x = 18,675.54 × 8,225.35
  4. Step 4: Simplify right side
    13,528.84x = 153,612,837.10
  5. Step 5: Solve for x
    x = 153,612,837.10/13,528.84
  6. Step 6: Final answer
    x = 11,354.47

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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.