Home / 13,345.06-20,018.63-7,798.98

Finding the Fourth Proportional to 13,345.06, 20,018.63 and 7,798.98

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Solution

The fourth proportional to 13,345.06, 20,018.63 and 7,798.98 is: 11,699.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.06 : 20,018.63 = 7,798.98 : x
  2. Step 2: Convert to fraction form
    13,345.06/20,018.63 = 7,798.98/x
  3. Step 3: Cross multiply
    13,345.06x = 20,018.63 × 7,798.98
  4. Step 4: Simplify right side
    13,345.06x = 156,124,895.00
  5. Step 5: Solve for x
    x = 156,124,895.00/13,345.06
  6. Step 6: Final answer
    x = 11,699.08

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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.