Home / 15,622.04-23,428.74-7,828.76

Finding the Fourth Proportional to 15,622.04, 23,428.74 and 7,828.76

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Solution

The fourth proportional to 15,622.04, 23,428.74 and 7,828.76 is: 11,740.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,622.04 : 23,428.74 = 7,828.76 : x
  2. Step 2: Convert to fraction form
    15,622.04/23,428.74 = 7,828.76/x
  3. Step 3: Cross multiply
    15,622.04x = 23,428.74 × 7,828.76
  4. Step 4: Simplify right side
    15,622.04x = 183,417,982.56
  5. Step 5: Solve for x
    x = 183,417,982.56/15,622.04
  6. Step 6: Final answer
    x = 11,740.98

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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.