Home / 15,269.06-21,071.04-8,554.67

Finding the Fourth Proportional to 15,269.06, 21,071.04 and 8,554.67

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Solution

The fourth proportional to 15,269.06, 21,071.04 and 8,554.67 is: 11,805.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,269.06 : 21,071.04 = 8,554.67 : x
  2. Step 2: Convert to fraction form
    15,269.06/21,071.04 = 8,554.67/x
  3. Step 3: Cross multiply
    15,269.06x = 21,071.04 × 8,554.67
  4. Step 4: Simplify right side
    15,269.06x = 180,255,688.40
  5. Step 5: Solve for x
    x = 180,255,688.40/15,269.06
  6. Step 6: Final answer
    x = 11,805.29

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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.