Home / 13,490.48-18,559.32-10,341.20

Finding the Fourth Proportional to 13,490.48, 18,559.32 and 10,341.20

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Solution

The fourth proportional to 13,490.48, 18,559.32 and 10,341.20 is: 14,226.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,490.48 : 18,559.32 = 10,341.20 : x
  2. Step 2: Convert to fraction form
    13,490.48/18,559.32 = 10,341.20/x
  3. Step 3: Cross multiply
    13,490.48x = 18,559.32 × 10,341.20
  4. Step 4: Simplify right side
    13,490.48x = 191,925,639.98
  5. Step 5: Solve for x
    x = 191,925,639.98/13,490.48
  6. Step 6: Final answer
    x = 14,226.75

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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.