Home / 15,307.99-22,962.84-4,779.47

Finding the Fourth Proportional to 15,307.99, 22,962.84 and 4,779.47

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Solution

The fourth proportional to 15,307.99, 22,962.84 and 4,779.47 is: 7,169.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,307.99 : 22,962.84 = 4,779.47 : x
  2. Step 2: Convert to fraction form
    15,307.99/22,962.84 = 4,779.47/x
  3. Step 3: Cross multiply
    15,307.99x = 22,962.84 × 4,779.47
  4. Step 4: Simplify right side
    15,307.99x = 109,750,090.08
  5. Step 5: Solve for x
    x = 109,750,090.08/15,307.99
  6. Step 6: Final answer
    x = 7,169.46

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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.