Home / 13,345.40-20,018.50-4,580.18

Finding the Fourth Proportional to 13,345.40, 20,018.50 and 4,580.18

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Solution

The fourth proportional to 13,345.40, 20,018.50 and 4,580.18 is: 6,870.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.40 : 20,018.50 = 4,580.18 : x
  2. Step 2: Convert to fraction form
    13,345.40/20,018.50 = 4,580.18/x
  3. Step 3: Cross multiply
    13,345.40x = 20,018.50 × 4,580.18
  4. Step 4: Simplify right side
    13,345.40x = 91,688,333.33
  5. Step 5: Solve for x
    x = 91,688,333.33/13,345.40
  6. Step 6: Final answer
    x = 6,870.41

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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.