Home / 19,509.30-29,263.66-4,718.12

Finding the Fourth Proportional to 19,509.30, 29,263.66 and 4,718.12

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Solution

The fourth proportional to 19,509.30, 29,263.66 and 4,718.12 is: 7,077.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.30 : 29,263.66 = 4,718.12 : x
  2. Step 2: Convert to fraction form
    19,509.30/29,263.66 = 4,718.12/x
  3. Step 3: Cross multiply
    19,509.30x = 29,263.66 × 4,718.12
  4. Step 4: Simplify right side
    19,509.30x = 138,069,459.52
  5. Step 5: Solve for x
    x = 138,069,459.52/19,509.30
  6. Step 6: Final answer
    x = 7,077.11

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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.