Home / 15,628.36-21,567.29-8,554.93

Finding the Fourth Proportional to 15,628.36, 21,567.29 and 8,554.93

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Solution

The fourth proportional to 15,628.36, 21,567.29 and 8,554.93 is: 11,805.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628.36 : 21,567.29 = 8,554.93 : x
  2. Step 2: Convert to fraction form
    15,628.36/21,567.29 = 8,554.93/x
  3. Step 3: Cross multiply
    15,628.36x = 21,567.29 × 8,554.93
  4. Step 4: Simplify right side
    15,628.36x = 184,506,656.24
  5. Step 5: Solve for x
    x = 184,506,656.24/15,628.36
  6. Step 6: Final answer
    x = 11,805.89

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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.