Home / 9,970.34-14,947.01-4,420.65

Finding the Fourth Proportional to 9,970.34, 14,947.01 and 4,420.65

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Solution

The fourth proportional to 9,970.34, 14,947.01 and 4,420.65 is: 6,627.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,970.34 : 14,947.01 = 4,420.65 : x
  2. Step 2: Convert to fraction form
    9,970.34/14,947.01 = 4,420.65/x
  3. Step 3: Cross multiply
    9,970.34x = 14,947.01 × 4,420.65
  4. Step 4: Simplify right side
    9,970.34x = 66,075,477.65
  5. Step 5: Solve for x
    x = 66,075,477.65/9,970.34
  6. Step 6: Final answer
    x = 6,627.21

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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.