Home / 15,384.05-23,077.37-4,290.74

Finding the Fourth Proportional to 15,384.05, 23,077.37 and 4,290.74

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Solution

The fourth proportional to 15,384.05, 23,077.37 and 4,290.74 is: 6,436.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,384.05 : 23,077.37 = 4,290.74 : x
  2. Step 2: Convert to fraction form
    15,384.05/23,077.37 = 4,290.74/x
  3. Step 3: Cross multiply
    15,384.05x = 23,077.37 × 4,290.74
  4. Step 4: Simplify right side
    15,384.05x = 99,018,994.55
  5. Step 5: Solve for x
    x = 99,018,994.55/15,384.05
  6. Step 6: Final answer
    x = 6,436.47

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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.