Home / 15,390.68-23,077.40-4,858.74

Finding the Fourth Proportional to 15,390.68, 23,077.40 and 4,858.74

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Solution

The fourth proportional to 15,390.68, 23,077.40 and 4,858.74 is: 7,285.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,390.68 : 23,077.40 = 4,858.74 : x
  2. Step 2: Convert to fraction form
    15,390.68/23,077.40 = 4,858.74/x
  3. Step 3: Cross multiply
    15,390.68x = 23,077.40 × 4,858.74
  4. Step 4: Simplify right side
    15,390.68x = 112,127,062.18
  5. Step 5: Solve for x
    x = 112,127,062.18/15,390.68
  6. Step 6: Final answer
    x = 7,285.39

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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.