Home / 9,970.24-14,948.04-4,779.76

Finding the Fourth Proportional to 9,970.24, 14,948.04 and 4,779.76

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Solution

The fourth proportional to 9,970.24, 14,948.04 and 4,779.76 is: 7,166.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,970.24 : 14,948.04 = 4,779.76 : x
  2. Step 2: Convert to fraction form
    9,970.24/14,948.04 = 4,779.76/x
  3. Step 3: Cross multiply
    9,970.24x = 14,948.04 × 4,779.76
  4. Step 4: Simplify right side
    9,970.24x = 71,448,043.67
  5. Step 5: Solve for x
    x = 71,448,043.67/9,970.24
  6. Step 6: Final answer
    x = 7,166.13

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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.