Home / 10,547.02-15,818.10-7,281.10

Finding the Fourth Proportional to 10,547.02, 15,818.10 and 7,281.10

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Solution

The fourth proportional to 10,547.02, 15,818.10 and 7,281.10 is: 10,919.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,547.02 : 15,818.10 = 7,281.10 : x
  2. Step 2: Convert to fraction form
    10,547.02/15,818.10 = 7,281.10/x
  3. Step 3: Cross multiply
    10,547.02x = 15,818.10 × 7,281.10
  4. Step 4: Simplify right side
    10,547.02x = 115,173,167.91
  5. Step 5: Solve for x
    x = 115,173,167.91/10,547.02
  6. Step 6: Final answer
    x = 10,919.97

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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.