Home / 10,551.06-14,547.28-7,716.16

Finding the Fourth Proportional to 10,551.06, 14,547.28 and 7,716.16

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Solution

The fourth proportional to 10,551.06, 14,547.28 and 7,716.16 is: 10,638.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.06 : 14,547.28 = 7,716.16 : x
  2. Step 2: Convert to fraction form
    10,551.06/14,547.28 = 7,716.16/x
  3. Step 3: Cross multiply
    10,551.06x = 14,547.28 × 7,716.16
  4. Step 4: Simplify right side
    10,551.06x = 112,249,028.73
  5. Step 5: Solve for x
    x = 112,249,028.73/10,551.06
  6. Step 6: Final answer
    x = 10,638.65

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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.