Home / 9,810.64-13,526.76-8,547.04

Finding the Fourth Proportional to 9,810.64, 13,526.76 and 8,547.04

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Solution

The fourth proportional to 9,810.64, 13,526.76 and 8,547.04 is: 11,784.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,810.64 : 13,526.76 = 8,547.04 : x
  2. Step 2: Convert to fraction form
    9,810.64/13,526.76 = 8,547.04/x
  3. Step 3: Cross multiply
    9,810.64x = 13,526.76 × 8,547.04
  4. Step 4: Simplify right side
    9,810.64x = 115,613,758.79
  5. Step 5: Solve for x
    x = 115,613,758.79/9,810.64
  6. Step 6: Final answer
    x = 11,784.53

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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.