Home / 14,153.02-19,530.95-7,779.47

Finding the Fourth Proportional to 14,153.02, 19,530.95 and 7,779.47

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Solution

The fourth proportional to 14,153.02, 19,530.95 and 7,779.47 is: 10,735.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.02 : 19,530.95 = 7,779.47 : x
  2. Step 2: Convert to fraction form
    14,153.02/19,530.95 = 7,779.47/x
  3. Step 3: Cross multiply
    14,153.02x = 19,530.95 × 7,779.47
  4. Step 4: Simplify right side
    14,153.02x = 151,940,515.32
  5. Step 5: Solve for x
    x = 151,940,515.32/14,153.02
  6. Step 6: Final answer
    x = 10,735.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.