Home / 15,460.12-21,333.63-8,746

Finding the Fourth Proportional to 15,460.12, 21,333.63 and 8,746

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Solution

The fourth proportional to 15,460.12, 21,333.63 and 8,746 is: 12,068.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,460.12 : 21,333.63 = 8,746 : x
  2. Step 2: Convert to fraction form
    15,460.12/21,333.63 = 8,746/x
  3. Step 3: Cross multiply
    15,460.12x = 21,333.63 × 8,746
  4. Step 4: Simplify right side
    15,460.12x = 186,583,927.98
  5. Step 5: Solve for x
    x = 186,583,927.98/15,460.12
  6. Step 6: Final answer
    x = 12,068.72

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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.