Home / 15,804.81-23,701.40-6,439.76

Finding the Fourth Proportional to 15,804.81, 23,701.40 and 6,439.76

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Solution

The fourth proportional to 15,804.81, 23,701.40 and 6,439.76 is: 9,657.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,804.81 : 23,701.40 = 6,439.76 : x
  2. Step 2: Convert to fraction form
    15,804.81/23,701.40 = 6,439.76/x
  3. Step 3: Cross multiply
    15,804.81x = 23,701.40 × 6,439.76
  4. Step 4: Simplify right side
    15,804.81x = 152,631,176.96
  5. Step 5: Solve for x
    x = 152,631,176.96/15,804.81
  6. Step 6: Final answer
    x = 9,657.26

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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.