Home / 9,720.24-14,587.98-6,779.40

Finding the Fourth Proportional to 9,720.24, 14,587.98 and 6,779.40

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Solution

The fourth proportional to 9,720.24, 14,587.98 and 6,779.40 is: 10,174.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720.24 : 14,587.98 = 6,779.40 : x
  2. Step 2: Convert to fraction form
    9,720.24/14,587.98 = 6,779.40/x
  3. Step 3: Cross multiply
    9,720.24x = 14,587.98 × 6,779.40
  4. Step 4: Simplify right side
    9,720.24x = 98,897,751.61
  5. Step 5: Solve for x
    x = 98,897,751.61/9,720.24
  6. Step 6: Final answer
    x = 10,174.41

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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.