Home / 15,478.25-23,216.45-4,386.51

Finding the Fourth Proportional to 15,478.25, 23,216.45 and 4,386.51

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Solution

The fourth proportional to 15,478.25, 23,216.45 and 4,386.51 is: 6,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,478.25 : 23,216.45 = 4,386.51 : x
  2. Step 2: Convert to fraction form
    15,478.25/23,216.45 = 4,386.51/x
  3. Step 3: Cross multiply
    15,478.25x = 23,216.45 × 4,386.51
  4. Step 4: Simplify right side
    15,478.25x = 101,839,168.16
  5. Step 5: Solve for x
    x = 101,839,168.16/15,478.25
  6. Step 6: Final answer
    x = 6,579.50

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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.