Home / 14,088.33-21,070.40-12,538.53

Finding the Fourth Proportional to 14,088.33, 21,070.40 and 12,538.53

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Solution

The fourth proportional to 14,088.33, 21,070.40 and 12,538.53 is: 18,752.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.33 : 21,070.40 = 12,538.53 : x
  2. Step 2: Convert to fraction form
    14,088.33/21,070.40 = 12,538.53/x
  3. Step 3: Cross multiply
    14,088.33x = 21,070.40 × 12,538.53
  4. Step 4: Simplify right side
    14,088.33x = 264,191,779.82
  5. Step 5: Solve for x
    x = 264,191,779.82/14,088.33
  6. Step 6: Final answer
    x = 18,752.53

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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.