Home / 14,645.56-21,970.86-4,783.72

Finding the Fourth Proportional to 14,645.56, 21,970.86 and 4,783.72

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Solution

The fourth proportional to 14,645.56, 21,970.86 and 4,783.72 is: 7,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,645.56 : 21,970.86 = 4,783.72 : x
  2. Step 2: Convert to fraction form
    14,645.56/21,970.86 = 4,783.72/x
  3. Step 3: Cross multiply
    14,645.56x = 21,970.86 × 4,783.72
  4. Step 4: Simplify right side
    14,645.56x = 105,102,442.40
  5. Step 5: Solve for x
    x = 105,102,442.40/14,645.56
  6. Step 6: Final answer
    x = 7,176.40

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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.