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Finding the Fourth Proportional to 10,547.96, 14,559 and 6,072.20

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Solution

The fourth proportional to 10,547.96, 14,559 and 6,072.20 is: 8,381.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,547.96 : 14,559 = 6,072.20 : x
  2. Step 2: Convert to fraction form
    10,547.96/14,559 = 6,072.20/x
  3. Step 3: Cross multiply
    10,547.96x = 14,559 × 6,072.20
  4. Step 4: Simplify right side
    10,547.96x = 88,405,159.80
  5. Step 5: Solve for x
    x = 88,405,159.80/10,547.96
  6. Step 6: Final answer
    x = 8,381.26

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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.