Home / 14,705.44-20,295.36-9,117.28

Finding the Fourth Proportional to 14,705.44, 20,295.36 and 9,117.28

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Solution

The fourth proportional to 14,705.44, 20,295.36 and 9,117.28 is: 12,583.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,705.44 : 20,295.36 = 9,117.28 : x
  2. Step 2: Convert to fraction form
    14,705.44/20,295.36 = 9,117.28/x
  3. Step 3: Cross multiply
    14,705.44x = 20,295.36 × 9,117.28
  4. Step 4: Simplify right side
    14,705.44x = 185,038,479.82
  5. Step 5: Solve for x
    x = 185,038,479.82/14,705.44
  6. Step 6: Final answer
    x = 12,583.00

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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.