Home / 15,415.74-23,124.78-5,554.98

Finding the Fourth Proportional to 15,415.74, 23,124.78 and 5,554.98

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Solution

The fourth proportional to 15,415.74, 23,124.78 and 5,554.98 is: 8,332.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,415.74 : 23,124.78 = 5,554.98 : x
  2. Step 2: Convert to fraction form
    15,415.74/23,124.78 = 5,554.98/x
  3. Step 3: Cross multiply
    15,415.74x = 23,124.78 × 5,554.98
  4. Step 4: Simplify right side
    15,415.74x = 128,457,690.40
  5. Step 5: Solve for x
    x = 128,457,690.40/15,415.74
  6. Step 6: Final answer
    x = 8,332.89

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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.