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Finding the Fourth Proportional to 15,365.58, 23,030.15 and 6,581.94

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Solution

The fourth proportional to 15,365.58, 23,030.15 and 6,581.94 is: 9,865.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,365.58 : 23,030.15 = 6,581.94 : x
  2. Step 2: Convert to fraction form
    15,365.58/23,030.15 = 6,581.94/x
  3. Step 3: Cross multiply
    15,365.58x = 23,030.15 × 6,581.94
  4. Step 4: Simplify right side
    15,365.58x = 151,583,065.49
  5. Step 5: Solve for x
    x = 151,583,065.49/15,365.58
  6. Step 6: Final answer
    x = 9,865.11

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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.