Home / 15,619.51-23,423.45-5,621.58

Finding the Fourth Proportional to 15,619.51, 23,423.45 and 5,621.58

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Solution

The fourth proportional to 15,619.51, 23,423.45 and 5,621.58 is: 8,430.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,619.51 : 23,423.45 = 5,621.58 : x
  2. Step 2: Convert to fraction form
    15,619.51/23,423.45 = 5,621.58/x
  3. Step 3: Cross multiply
    15,619.51x = 23,423.45 × 5,621.58
  4. Step 4: Simplify right side
    15,619.51x = 131,676,751.50
  5. Step 5: Solve for x
    x = 131,676,751.50/15,619.51
  6. Step 6: Final answer
    x = 8,430.28

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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.